20913888960

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{35081}}^1$

素因数の和:35133

約数の個数: 280

約数和(自身を含む): 77631133536

約数和(自身を除く): 56717244576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 324, 345, 360, 368, 405, 414, 432, 460, 480, 540, 552, 576, 621, 648, 690, 720, 736, 810, 828, 864, 920, 960, 1035, 1080, 1104, 1242, 1296, 1380, 1440, 1472, 1620, 1656, 1728, 1840, 1863, 2070, 2160, 2208, 2484, 2592, 2760, 2880, 3105, 3240, 3312, 3680, 3726, 4140, 4320, 4416, 4968, 5184, 5520, 6210, 6480, 6624, 7360, 7452, 8280, 8640, 9315, 9936, 11040, 12420, 12960, 13248, 14904, 16560, 18630, 19872, 22080, 24840, 25920, 29808, 33120, 35081, 37260, 39744, 49680, 59616, 66240, 70162, 74520, 99360, 105243, 119232, 140324, 149040, 175405, 198720, 210486, 280648, 298080, 315729, 350810, 420972, 526215, 561296, 596160, 631458, 701620, 806863, 841944, 947187, 1052430, 1122592, 1262916, 1403240, 1578645, 1613726, 1683888, 1894374, 2104860, 2245184, 2420589, 2525832, 2806480, 2841561, 3157290, 3227452, 3367776, 3788748, 4034315, 4209720, 4735935, 4841178, 5051664, 5612960, 5683122, 6314580, 6454904, 6735552, 7261767, 7577496, 8068630, 8419440, 9471870, 9682356, 10103328, 11225920, 11366244, 12102945, 12629160, 12909808, 14207805, 14523534, 15154992, 16137260, 16838880, 18943740, 19364712, 20206656, 21785301, 22732488, 24205890, 25258320, 25819616, 28415610, 29047068, 30309984, 32274520, 33677760, 36308835, 37887480, 38729424, 43570602, 45464976, 48411780, 50516640, 51639232, 56831220, 58094136, 60619968, 64549040, 65355903, 72617670, 75774960, 77458848, 87141204, 90929952, 96823560, 101033280, 108926505, 113662440, 116188272, 129098080, 130711806, 145235340, 151549920, 154917696, 174282408, 181859904, 193647120, 217853010, 227324880, 232376544, 258196160, 261423612, 290470680, 303099840, 326779515, 348564816, 387294240, 435706020, 454649760, 464753088, 522847224, 580941360, 653559030, 697129632, 774588480, 871412040, 909299520, 1045694448, 1161882720, 1307118060, 1394259264, 1742824080, 2091388896, 2323765440, 2614236120, 3485648160, 4182777792, 5228472240, 6971296320, 10456944480, 20913888960]

約数ペア:

[(1, 20913888960), (2, 10456944480), (3, 6971296320), (4, 5228472240), (5, 4182777792), (6, 3485648160), (8, 2614236120), (9, 2323765440), (10, 2091388896), (12, 1742824080), (15, 1394259264), (16, 1307118060), (18, 1161882720), (20, 1045694448), (23, 909299520), (24, 871412040), (27, 774588480), (30, 697129632), (32, 653559030), (36, 580941360), (40, 522847224), (45, 464753088), (46, 454649760), (48, 435706020), (54, 387294240), (60, 348564816), (64, 326779515), (69, 303099840), (72, 290470680), (80, 261423612), (81, 258196160), (90, 232376544), (92, 227324880), (96, 217853010), (108, 193647120), (115, 181859904), (120, 174282408), (135, 154917696), (138, 151549920), (144, 145235340), (160, 130711806), (162, 129098080), (180, 116188272), (184, 113662440), (192, 108926505), (207, 101033280), (216, 96823560), (230, 90929952), (240, 87141204), (270, 77458848), (276, 75774960), (288, 72617670), (320, 65355903), (324, 64549040), (345, 60619968), (360, 58094136), (368, 56831220), (405, 51639232), (414, 50516640), (432, 48411780), (460, 45464976), (480, 43570602), (540, 38729424), (552, 37887480), (576, 36308835), (621, 33677760), (648, 32274520), (690, 30309984), (720, 29047068), (736, 28415610), (810, 25819616), (828, 25258320), (864, 24205890), (920, 22732488), (960, 21785301), (1035, 20206656), (1080, 19364712), (1104, 18943740), (1242, 16838880), (1296, 16137260), (1380, 15154992), (1440, 14523534), (1472, 14207805), (1620, 12909808), (1656, 12629160), (1728, 12102945), (1840, 11366244), (1863, 11225920), (2070, 10103328), (2160, 9682356), (2208, 9471870), (2484, 8419440), (2592, 8068630), (2760, 7577496), (2880, 7261767), (3105, 6735552), (3240, 6454904), (3312, 6314580), (3680, 5683122), (3726, 5612960), (4140, 5051664), (4320, 4841178), (4416, 4735935), (4968, 4209720), (5184, 4034315), (5520, 3788748), (6210, 3367776), (6480, 3227452), (6624, 3157290), (7360, 2841561), (7452, 2806480), (8280, 2525832), (8640, 2420589), (9315, 2245184), (9936, 2104860), (11040, 1894374), (12420, 1683888), (12960, 1613726), (13248, 1578645), (14904, 1403240), (16560, 1262916), (18630, 1122592), (19872, 1052430), (22080, 947187), (24840, 841944), (25920, 806863), (29808, 701620), (33120, 631458), (35081, 596160), (37260, 561296), (39744, 526215), (49680, 420972), (59616, 350810), (66240, 315729), (70162, 298080), (74520, 280648), (99360, 210486), (105243, 198720), (119232, 175405), (140324, 149040)]