81632520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9859}}^1$

素因数の和:9899

約数の個数: 96

約数和(自身を含む): 276868800

約数和(自身を除く): 195236280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 9859, 19718, 29577, 39436, 49295, 59154, 78872, 88731, 98590, 118308, 147885, 177462, 197180, 226757, 236616, 295770, 354924, 394360, 443655, 453514, 591540, 680271, 709848, 887310, 907028, 1133785, 1183080, 1360542, 1774620, 1814056, 2040813, 2267570, 2721084, 3401355, 3549240, 4081626, 4535140, 5442168, 6802710, 8163252, 9070280, 10204065, 13605420, 16326504, 20408130, 27210840, 40816260, 81632520]

約数ペア:

[(1, 81632520), (2, 40816260), (3, 27210840), (4, 20408130), (5, 16326504), (6, 13605420), (8, 10204065), (9, 9070280), (10, 8163252), (12, 6802710), (15, 5442168), (18, 4535140), (20, 4081626), (23, 3549240), (24, 3401355), (30, 2721084), (36, 2267570), (40, 2040813), (45, 1814056), (46, 1774620), (60, 1360542), (69, 1183080), (72, 1133785), (90, 907028), (92, 887310), (115, 709848), (120, 680271), (138, 591540), (180, 453514), (184, 443655), (207, 394360), (230, 354924), (276, 295770), (345, 236616), (360, 226757), (414, 197180), (460, 177462), (552, 147885), (690, 118308), (828, 98590), (920, 88731), (1035, 78872), (1380, 59154), (1656, 49295), (2070, 39436), (2760, 29577), (4140, 19718), (8280, 9859)]