640111680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 448

約数和(自身を含む): 2509113600

約数和(自身を除く): 1869001920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 41, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 82, 90, 96, 104, 108, 117, 120, 123, 130, 135, 139, 144, 156, 160, 164, 180, 192, 195, 205, 208, 216, 234, 240, 246, 260, 270, 278, 288, 312, 320, 328, 351, 360, 369, 390, 410, 416, 417, 432, 468, 480, 492, 520, 533, 540, 556, 576, 585, 615, 624, 656, 695, 702, 720, 738, 780, 820, 832, 834, 864, 936, 960, 984, 1040, 1066, 1080, 1107, 1112, 1170, 1230, 1248, 1251, 1312, 1390, 1404, 1440, 1476, 1560, 1599, 1640, 1668, 1728, 1755, 1807, 1845, 1872, 1968, 2080, 2085, 2132, 2160, 2214, 2224, 2340, 2460, 2496, 2502, 2624, 2665, 2780, 2808, 2880, 2952, 3120, 3198, 3280, 3336, 3510, 3614, 3690, 3744, 3753, 3936, 4160, 4170, 4264, 4320, 4428, 4448, 4680, 4797, 4920, 5004, 5330, 5421, 5535, 5560, 5616, 5699, 5904, 6240, 6255, 6396, 6560, 6672, 7020, 7228, 7380, 7488, 7506, 7872, 7995, 8340, 8528, 8640, 8856, 8896, 9035, 9360, 9594, 9840, 10008, 10660, 10842, 11070, 11120, 11232, 11398, 11808, 12480, 12510, 12792, 13120, 13344, 14040, 14391, 14456, 14760, 15012, 15990, 16263, 16680, 17056, 17097, 17712, 18070, 18720, 18765, 19188, 19680, 20016, 21320, 21684, 22140, 22240, 22464, 22796, 23616, 23985, 25020, 25584, 26688, 27105, 28080, 28495, 28782, 28912, 29520, 30024, 31980, 32526, 33360, 34112, 34194, 35424, 36140, 37440, 37530, 38376, 39360, 40032, 42640, 43368, 44280, 44480, 45592, 47970, 48789, 50040, 51168, 51291, 54210, 56160, 56990, 57564, 57824, 59040, 60048, 63960, 65052, 66720, 68388, 70848, 71955, 72280, 74087, 75060, 76752, 80064, 81315, 85280, 85485, 86736, 88560, 91184, 95940, 97578, 100080, 102336, 102582, 108420, 112320, 113980, 115128, 115648, 118080, 120096, 127920, 130104, 133440, 136776, 143910, 144560, 148174, 150120, 153504, 153873, 162630, 170560, 170970, 173472, 177120, 182368, 191880, 195156, 200160, 205164, 216840, 222261, 227960, 230256, 240192, 243945, 255840, 256455, 260208, 273552, 287820, 289120, 296348, 300240, 307008, 307746, 325260, 341940, 346944, 354240, 364736, 370435, 383760, 390312, 400320, 410328, 433680, 444522, 455920, 460512, 487890, 511680, 512910, 520416, 547104, 575640, 578240, 592696, 600480, 615492, 650520, 666783, 683880, 740870, 767520, 769365, 780624, 820656, 867360, 889044, 911840, 921024, 975780, 1025820, 1040832, 1094208, 1111305, 1151280, 1185392, 1200960, 1230984, 1301040, 1333566, 1367760, 1481740, 1535040, 1538730, 1561248, 1641312, 1734720, 1778088, 1823680, 1951560, 2000349, 2051640, 2222610, 2302560, 2370784, 2461968, 2602080, 2667132, 2735520, 2963480, 3077460, 3122496, 3282624, 3333915, 3556176, 3903120, 4000698, 4103280, 4445220, 4605120, 4741568, 4923936, 5204160, 5334264, 5471040, 5926960, 6154920, 6667830, 7112352, 7806240, 8001396, 8206560, 8890440, 9847872, 10001745, 10668528, 11853920, 12309840, 13335660, 14224704, 15612480, 16002792, 16413120, 17780880, 20003490, 21337056, 23707840, 24619680, 26671320, 32005584, 35561760, 40006980, 42674112, 49239360, 53342640, 64011168, 71123520, 80013960, 106685280, 128022336, 160027920, 213370560, 320055840, 640111680]

約数ペア:

[(1, 640111680), (2, 320055840), (3, 213370560), (4, 160027920), (5, 128022336), (6, 106685280), (8, 80013960), (9, 71123520), (10, 64011168), (12, 53342640), (13, 49239360), (15, 42674112), (16, 40006980), (18, 35561760), (20, 32005584), (24, 26671320), (26, 24619680), (27, 23707840), (30, 21337056), (32, 20003490), (36, 17780880), (39, 16413120), (40, 16002792), (41, 15612480), (45, 14224704), (48, 13335660), (52, 12309840), (54, 11853920), (60, 10668528), (64, 10001745), (65, 9847872), (72, 8890440), (78, 8206560), (80, 8001396), (82, 7806240), (90, 7112352), (96, 6667830), (104, 6154920), (108, 5926960), (117, 5471040), (120, 5334264), (123, 5204160), (130, 4923936), (135, 4741568), (139, 4605120), (144, 4445220), (156, 4103280), (160, 4000698), (164, 3903120), (180, 3556176), (192, 3333915), (195, 3282624), (205, 3122496), (208, 3077460), (216, 2963480), (234, 2735520), (240, 2667132), (246, 2602080), (260, 2461968), (270, 2370784), (278, 2302560), (288, 2222610), (312, 2051640), (320, 2000349), (328, 1951560), (351, 1823680), (360, 1778088), (369, 1734720), (390, 1641312), (410, 1561248), (416, 1538730), (417, 1535040), (432, 1481740), (468, 1367760), (480, 1333566), (492, 1301040), (520, 1230984), (533, 1200960), (540, 1185392), (556, 1151280), (576, 1111305), (585, 1094208), (615, 1040832), (624, 1025820), (656, 975780), (695, 921024), (702, 911840), (720, 889044), (738, 867360), (780, 820656), (820, 780624), (832, 769365), (834, 767520), (864, 740870), (936, 683880), (960, 666783), (984, 650520), (1040, 615492), (1066, 600480), (1080, 592696), (1107, 578240), (1112, 575640), (1170, 547104), (1230, 520416), (1248, 512910), (1251, 511680), (1312, 487890), (1390, 460512), (1404, 455920), (1440, 444522), (1476, 433680), (1560, 410328), (1599, 400320), (1640, 390312), (1668, 383760), (1728, 370435), (1755, 364736), (1807, 354240), (1845, 346944), (1872, 341940), (1968, 325260), (2080, 307746), (2085, 307008), (2132, 300240), (2160, 296348), (2214, 289120), (2224, 287820), (2340, 273552), (2460, 260208), (2496, 256455), (2502, 255840), (2624, 243945), (2665, 240192), (2780, 230256), (2808, 227960), (2880, 222261), (2952, 216840), (3120, 205164), (3198, 200160), (3280, 195156), (3336, 191880), (3510, 182368), (3614, 177120), (3690, 173472), (3744, 170970), (3753, 170560), (3936, 162630), (4160, 153873), (4170, 153504), (4264, 150120), (4320, 148174), (4428, 144560), (4448, 143910), (4680, 136776), (4797, 133440), (4920, 130104), (5004, 127920), (5330, 120096), (5421, 118080), (5535, 115648), (5560, 115128), (5616, 113980), (5699, 112320), (5904, 108420), (6240, 102582), (6255, 102336), (6396, 100080), (6560, 97578), (6672, 95940), (7020, 91184), (7228, 88560), (7380, 86736), (7488, 85485), (7506, 85280), (7872, 81315), (7995, 80064), (8340, 76752), (8528, 75060), (8640, 74087), (8856, 72280), (8896, 71955), (9035, 70848), (9360, 68388), (9594, 66720), (9840, 65052), (10008, 63960), (10660, 60048), (10842, 59040), (11070, 57824), (11120, 57564), (11232, 56990), (11398, 56160), (11808, 54210), (12480, 51291), (12510, 51168), (12792, 50040), (13120, 48789), (13344, 47970), (14040, 45592), (14391, 44480), (14456, 44280), (14760, 43368), (15012, 42640), (15990, 40032), (16263, 39360), (16680, 38376), (17056, 37530), (17097, 37440), (17712, 36140), (18070, 35424), (18720, 34194), (18765, 34112), (19188, 33360), (19680, 32526), (20016, 31980), (21320, 30024), (21684, 29520), (22140, 28912), (22240, 28782), (22464, 28495), (22796, 28080), (23616, 27105), (23985, 26688), (25020, 25584)]