19792080

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 480

約数和(自身を含む): 91601280

約数和(自身を除く): 71809200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 27, 28, 30, 33, 34, 35, 36, 40, 42, 44, 45, 48, 49, 51, 54, 55, 56, 60, 63, 66, 68, 70, 72, 77, 80, 84, 85, 88, 90, 98, 99, 102, 105, 108, 110, 112, 119, 120, 126, 132, 135, 136, 140, 144, 147, 153, 154, 165, 168, 170, 176, 180, 187, 189, 196, 198, 204, 210, 216, 220, 231, 238, 240, 245, 252, 255, 264, 270, 272, 280, 294, 297, 306, 308, 315, 330, 336, 340, 357, 360, 374, 378, 385, 392, 396, 408, 420, 432, 440, 441, 459, 462, 476, 490, 495, 504, 510, 528, 539, 540, 560, 561, 588, 594, 595, 612, 616, 630, 660, 680, 693, 714, 720, 735, 748, 756, 765, 770, 784, 792, 816, 833, 840, 880, 882, 918, 924, 935, 945, 952, 980, 990, 1008, 1020, 1071, 1078, 1080, 1122, 1155, 1176, 1188, 1190, 1224, 1232, 1260, 1309, 1320, 1323, 1360, 1386, 1428, 1470, 1485, 1496, 1512, 1530, 1540, 1584, 1617, 1666, 1680, 1683, 1764, 1785, 1836, 1848, 1870, 1890, 1904, 1960, 1980, 2040, 2079, 2142, 2156, 2160, 2205, 2244, 2295, 2310, 2352, 2376, 2380, 2448, 2499, 2520, 2618, 2640, 2646, 2695, 2772, 2805, 2856, 2940, 2970, 2992, 3024, 3060, 3080, 3213, 3234, 3332, 3366, 3465, 3528, 3570, 3672, 3696, 3740, 3780, 3920, 3927, 3960, 4080, 4158, 4165, 4284, 4312, 4410, 4488, 4590, 4620, 4752, 4760, 4851, 4998, 5040, 5049, 5236, 5292, 5355, 5390, 5544, 5610, 5712, 5880, 5940, 6120, 6160, 6426, 6468, 6545, 6615, 6664, 6732, 6930, 7056, 7140, 7344, 7480, 7497, 7560, 7854, 7920, 8085, 8316, 8330, 8415, 8568, 8624, 8820, 8976, 9163, 9180, 9240, 9520, 9702, 9996, 10098, 10395, 10472, 10584, 10710, 10780, 11088, 11220, 11760, 11781, 11880, 12240, 12495, 12852, 12936, 13090, 13230, 13328, 13464, 13860, 14280, 14553, 14960, 14994, 15120, 15708, 16065, 16170, 16632, 16660, 16830, 17136, 17640, 18326, 18360, 18480, 19404, 19635, 19992, 20196, 20790, 20944, 21168, 21420, 21560, 22440, 22491, 23562, 23760, 24255, 24990, 25245, 25704, 25872, 26180, 26460, 26928, 27489, 27720, 28560, 29106, 29988, 31416, 32130, 32340, 33264, 33320, 33660, 35280, 35343, 36652, 36720, 37485, 38808, 39270, 39984, 40392, 41580, 42840, 43120, 44880, 44982, 45815, 47124, 48510, 49980, 50490, 51408, 52360, 52920, 54978, 55440, 58212, 58905, 59976, 62832, 64260, 64680, 66640, 67320, 70686, 72765, 73304, 74970, 77616, 78540, 80784, 82467, 83160, 85680, 89964, 91630, 94248, 97020, 99960, 100980, 104720, 105840, 109956, 112455, 116424, 117810, 119952, 128520, 129360, 134640, 137445, 141372, 145530, 146608, 149940, 157080, 164934, 166320, 176715, 179928, 183260, 188496, 194040, 199920, 201960, 219912, 224910, 232848, 235620, 247401, 257040, 274890, 282744, 291060, 299880, 314160, 329868, 353430, 359856, 366520, 388080, 403920, 412335, 439824, 449820, 471240, 494802, 549780, 565488, 582120, 599760, 659736, 706860, 733040, 824670, 899640, 942480, 989604, 1099560, 1164240, 1237005, 1319472, 1413720, 1649340, 1799280, 1979208, 2199120, 2474010, 2827440, 3298680, 3958416, 4948020, 6597360, 9896040, 19792080]

約数ペア:

[(1, 19792080), (2, 9896040), (3, 6597360), (4, 4948020), (5, 3958416), (6, 3298680), (7, 2827440), (8, 2474010), (9, 2199120), (10, 1979208), (11, 1799280), (12, 1649340), (14, 1413720), (15, 1319472), (16, 1237005), (17, 1164240), (18, 1099560), (20, 989604), (21, 942480), (22, 899640), (24, 824670), (27, 733040), (28, 706860), (30, 659736), (33, 599760), (34, 582120), (35, 565488), (36, 549780), (40, 494802), (42, 471240), (44, 449820), (45, 439824), (48, 412335), (49, 403920), (51, 388080), (54, 366520), (55, 359856), (56, 353430), (60, 329868), (63, 314160), (66, 299880), (68, 291060), (70, 282744), (72, 274890), (77, 257040), (80, 247401), (84, 235620), (85, 232848), (88, 224910), (90, 219912), (98, 201960), (99, 199920), (102, 194040), (105, 188496), (108, 183260), (110, 179928), (112, 176715), (119, 166320), (120, 164934), (126, 157080), (132, 149940), (135, 146608), (136, 145530), (140, 141372), (144, 137445), (147, 134640), (153, 129360), (154, 128520), (165, 119952), (168, 117810), (170, 116424), (176, 112455), (180, 109956), (187, 105840), (189, 104720), (196, 100980), (198, 99960), (204, 97020), (210, 94248), (216, 91630), (220, 89964), (231, 85680), (238, 83160), (240, 82467), (245, 80784), (252, 78540), (255, 77616), (264, 74970), (270, 73304), (272, 72765), (280, 70686), (294, 67320), (297, 66640), (306, 64680), (308, 64260), (315, 62832), (330, 59976), (336, 58905), (340, 58212), (357, 55440), (360, 54978), (374, 52920), (378, 52360), (385, 51408), (392, 50490), (396, 49980), (408, 48510), (420, 47124), (432, 45815), (440, 44982), (441, 44880), (459, 43120), (462, 42840), (476, 41580), (490, 40392), (495, 39984), (504, 39270), (510, 38808), (528, 37485), (539, 36720), (540, 36652), (560, 35343), (561, 35280), (588, 33660), (594, 33320), (595, 33264), (612, 32340), (616, 32130), (630, 31416), (660, 29988), (680, 29106), (693, 28560), (714, 27720), (720, 27489), (735, 26928), (748, 26460), (756, 26180), (765, 25872), (770, 25704), (784, 25245), (792, 24990), (816, 24255), (833, 23760), (840, 23562), (880, 22491), (882, 22440), (918, 21560), (924, 21420), (935, 21168), (945, 20944), (952, 20790), (980, 20196), (990, 19992), (1008, 19635), (1020, 19404), (1071, 18480), (1078, 18360), (1080, 18326), (1122, 17640), (1155, 17136), (1176, 16830), (1188, 16660), (1190, 16632), (1224, 16170), (1232, 16065), (1260, 15708), (1309, 15120), (1320, 14994), (1323, 14960), (1360, 14553), (1386, 14280), (1428, 13860), (1470, 13464), (1485, 13328), (1496, 13230), (1512, 13090), (1530, 12936), (1540, 12852), (1584, 12495), (1617, 12240), (1666, 11880), (1680, 11781), (1683, 11760), (1764, 11220), (1785, 11088), (1836, 10780), (1848, 10710), (1870, 10584), (1890, 10472), (1904, 10395), (1960, 10098), (1980, 9996), (2040, 9702), (2079, 9520), (2142, 9240), (2156, 9180), (2160, 9163), (2205, 8976), (2244, 8820), (2295, 8624), (2310, 8568), (2352, 8415), (2376, 8330), (2380, 8316), (2448, 8085), (2499, 7920), (2520, 7854), (2618, 7560), (2640, 7497), (2646, 7480), (2695, 7344), (2772, 7140), (2805, 7056), (2856, 6930), (2940, 6732), (2970, 6664), (2992, 6615), (3024, 6545), (3060, 6468), (3080, 6426), (3213, 6160), (3234, 6120), (3332, 5940), (3366, 5880), (3465, 5712), (3528, 5610), (3570, 5544), (3672, 5390), (3696, 5355), (3740, 5292), (3780, 5236), (3920, 5049), (3927, 5040), (3960, 4998), (4080, 4851), (4158, 4760), (4165, 4752), (4284, 4620), (4312, 4590), (4410, 4488)]