81686800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:737

約数の個数: 120

約数和(自身を含む): 220860864

約数和(自身を除く): 139174064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 184, 200, 208, 230, 260, 299, 325, 368, 400, 460, 520, 575, 598, 650, 683, 920, 1040, 1150, 1196, 1300, 1366, 1495, 1840, 2300, 2392, 2600, 2732, 2990, 3415, 4600, 4784, 5200, 5464, 5980, 6830, 7475, 8879, 9200, 10928, 11960, 13660, 14950, 15709, 17075, 17758, 23920, 27320, 29900, 31418, 34150, 35516, 44395, 54640, 59800, 62836, 68300, 71032, 78545, 88790, 119600, 125672, 136600, 142064, 157090, 177580, 204217, 221975, 251344, 273200, 314180, 355160, 392725, 408434, 443950, 628360, 710320, 785450, 816868, 887900, 1021085, 1256720, 1570900, 1633736, 1775800, 2042170, 3141800, 3267472, 3551600, 4084340, 5105425, 6283600, 8168680, 10210850, 16337360, 20421700, 40843400, 81686800]

約数ペア:

[(1, 81686800), (2, 40843400), (4, 20421700), (5, 16337360), (8, 10210850), (10, 8168680), (13, 6283600), (16, 5105425), (20, 4084340), (23, 3551600), (25, 3267472), (26, 3141800), (40, 2042170), (46, 1775800), (50, 1633736), (52, 1570900), (65, 1256720), (80, 1021085), (92, 887900), (100, 816868), (104, 785450), (115, 710320), (130, 628360), (184, 443950), (200, 408434), (208, 392725), (230, 355160), (260, 314180), (299, 273200), (325, 251344), (368, 221975), (400, 204217), (460, 177580), (520, 157090), (575, 142064), (598, 136600), (650, 125672), (683, 119600), (920, 88790), (1040, 78545), (1150, 71032), (1196, 68300), (1300, 62836), (1366, 59800), (1495, 54640), (1840, 44395), (2300, 35516), (2392, 34150), (2600, 31418), (2732, 29900), (2990, 27320), (3415, 23920), (4600, 17758), (4784, 17075), (5200, 15709), (5464, 14950), (5980, 13660), (6830, 11960), (7475, 10928), (8879, 9200)]