81422640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8699}}^1$

素因数の和:8731

約数の個数: 120

約数和(自身を含む): 294512400

約数和(自身を除く): 213089760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8699, 9360, 17398, 26097, 34796, 43495, 52194, 69592, 78291, 86990, 104388, 113087, 130485, 139184, 156582, 173980, 208776, 226174, 260970, 313164, 339261, 347960, 391455, 417552, 452348, 521940, 565435, 626328, 678522, 695920, 782910, 904696, 1017783, 1043880, 1130870, 1252656, 1357044, 1565820, 1696305, 1809392, 2035566, 2087760, 2261740, 2714088, 3131640, 3392610, 4071132, 4523480, 5088915, 5428176, 6263280, 6785220, 8142264, 9046960, 10177830, 13570440, 16284528, 20355660, 27140880, 40711320, 81422640]

約数ペア:

[(1, 81422640), (2, 40711320), (3, 27140880), (4, 20355660), (5, 16284528), (6, 13570440), (8, 10177830), (9, 9046960), (10, 8142264), (12, 6785220), (13, 6263280), (15, 5428176), (16, 5088915), (18, 4523480), (20, 4071132), (24, 3392610), (26, 3131640), (30, 2714088), (36, 2261740), (39, 2087760), (40, 2035566), (45, 1809392), (48, 1696305), (52, 1565820), (60, 1357044), (65, 1252656), (72, 1130870), (78, 1043880), (80, 1017783), (90, 904696), (104, 782910), (117, 695920), (120, 678522), (130, 626328), (144, 565435), (156, 521940), (180, 452348), (195, 417552), (208, 391455), (234, 347960), (240, 339261), (260, 313164), (312, 260970), (360, 226174), (390, 208776), (468, 173980), (520, 156582), (585, 139184), (624, 130485), (720, 113087), (780, 104388), (936, 86990), (1040, 78291), (1170, 69592), (1560, 52194), (1872, 43495), (2340, 34796), (3120, 26097), (4680, 17398), (8699, 9360)]