78720720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1149

約数の個数: 160

約数和(自身を含む): 274482432

約数和(自身を除く): 195761712

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, 1097, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2194, 2392, 2760, 2990, 3120, 3291, 3588, 4388, 4485, 4784, 5485, 5520, 5980, 6582, 7176, 8776, 8970, 10970, 11960, 13164, 14261, 14352, 16455, 17552, 17940, 21940, 23920, 25231, 26328, 28522, 32910, 35880, 42783, 43880, 50462, 52656, 57044, 65820, 71305, 71760, 75693, 85566, 87760, 100924, 114088, 126155, 131640, 142610, 151386, 171132, 201848, 213915, 228176, 252310, 263280, 285220, 302772, 328003, 342264, 378465, 403696, 427830, 504620, 570440, 605544, 656006, 684528, 756930, 855660, 984009, 1009240, 1140880, 1211088, 1312012, 1513860, 1640015, 1711320, 1968018, 2018480, 2624024, 3027720, 3280030, 3422640, 3936036, 4920045, 5248048, 6055440, 6560060, 7872072, 9840090, 13120120, 15744144, 19680180, 26240240, 39360360, 78720720]

約数ペア:

[(1, 78720720), (2, 39360360), (3, 26240240), (4, 19680180), (5, 15744144), (6, 13120120), (8, 9840090), (10, 7872072), (12, 6560060), (13, 6055440), (15, 5248048), (16, 4920045), (20, 3936036), (23, 3422640), (24, 3280030), (26, 3027720), (30, 2624024), (39, 2018480), (40, 1968018), (46, 1711320), (48, 1640015), (52, 1513860), (60, 1312012), (65, 1211088), (69, 1140880), (78, 1009240), (80, 984009), (92, 855660), (104, 756930), (115, 684528), (120, 656006), (130, 605544), (138, 570440), (156, 504620), (184, 427830), (195, 403696), (208, 378465), (230, 342264), (240, 328003), (260, 302772), (276, 285220), (299, 263280), (312, 252310), (345, 228176), (368, 213915), (390, 201848), (460, 171132), (520, 151386), (552, 142610), (598, 131640), (624, 126155), (690, 114088), (780, 100924), (897, 87760), (920, 85566), (1040, 75693), (1097, 71760), (1104, 71305), (1196, 65820), (1380, 57044), (1495, 52656), (1560, 50462), (1794, 43880), (1840, 42783), (2194, 35880), (2392, 32910), (2760, 28522), (2990, 26328), (3120, 25231), (3291, 23920), (3588, 21940), (4388, 17940), (4485, 17552), (4784, 16455), (5485, 14352), (5520, 14261), (5980, 13164), (6582, 11960), (7176, 10970), (8776, 8970)]