1280126640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17839}}^1$

素因数の和:17891

約数の個数: 160

約数和(自身を含む): 4459714560

約数和(自身を除く): 3179587920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2392, 2760, 2990, 3120, 3588, 4485, 4784, 5520, 5980, 7176, 8970, 11960, 14352, 17839, 17940, 23920, 35678, 35880, 53517, 71356, 71760, 89195, 107034, 142712, 178390, 214068, 231907, 267585, 285424, 356780, 410297, 428136, 463814, 535170, 695721, 713560, 820594, 856272, 927628, 1070340, 1159535, 1230891, 1391442, 1427120, 1641188, 1855256, 2051485, 2140680, 2319070, 2461782, 2782884, 3282376, 3478605, 3710512, 4102970, 4281360, 4638140, 4923564, 5333861, 5565768, 6154455, 6564752, 6957210, 8205940, 9276280, 9847128, 10667722, 11131536, 12308910, 13914420, 16001583, 16411880, 18552560, 19694256, 21335444, 24617820, 26669305, 27828840, 32003166, 32823760, 42670888, 49235640, 53338610, 55657680, 64006332, 80007915, 85341776, 98471280, 106677220, 128012664, 160015830, 213354440, 256025328, 320031660, 426708880, 640063320, 1280126640]

約数ペア:

[(1, 1280126640), (2, 640063320), (3, 426708880), (4, 320031660), (5, 256025328), (6, 213354440), (8, 160015830), (10, 128012664), (12, 106677220), (13, 98471280), (15, 85341776), (16, 80007915), (20, 64006332), (23, 55657680), (24, 53338610), (26, 49235640), (30, 42670888), (39, 32823760), (40, 32003166), (46, 27828840), (48, 26669305), (52, 24617820), (60, 21335444), (65, 19694256), (69, 18552560), (78, 16411880), (80, 16001583), (92, 13914420), (104, 12308910), (115, 11131536), (120, 10667722), (130, 9847128), (138, 9276280), (156, 8205940), (184, 6957210), (195, 6564752), (208, 6154455), (230, 5565768), (240, 5333861), (260, 4923564), (276, 4638140), (299, 4281360), (312, 4102970), (345, 3710512), (368, 3478605), (390, 3282376), (460, 2782884), (520, 2461782), (552, 2319070), (598, 2140680), (624, 2051485), (690, 1855256), (780, 1641188), (897, 1427120), (920, 1391442), (1040, 1230891), (1104, 1159535), (1196, 1070340), (1380, 927628), (1495, 856272), (1560, 820594), (1794, 713560), (1840, 695721), (2392, 535170), (2760, 463814), (2990, 428136), (3120, 410297), (3588, 356780), (4485, 285424), (4784, 267585), (5520, 231907), (5980, 214068), (7176, 178390), (8970, 142712), (11960, 107034), (14352, 89195), (17839, 71760), (17940, 71356), (23920, 53517), (35678, 35880)]