31724680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^2$

素因数の和:88

約数の個数: 96

約数和(自身を含む): 81610200

約数和(自身を除く): 49885520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 338, 361, 380, 494, 520, 676, 722, 760, 845, 988, 1235, 1352, 1444, 1690, 1805, 1976, 2197, 2470, 2888, 3211, 3380, 3610, 4394, 4693, 4940, 6422, 6760, 7220, 8788, 9386, 9880, 10985, 12844, 14440, 16055, 17576, 18772, 21970, 23465, 25688, 32110, 37544, 41743, 43940, 46930, 61009, 64220, 83486, 87880, 93860, 122018, 128440, 166972, 187720, 208715, 244036, 305045, 333944, 417430, 488072, 610090, 793117, 834860, 1220180, 1586234, 1669720, 2440360, 3172468, 3965585, 6344936, 7931170, 15862340, 31724680]

約数ペア:

[(1, 31724680), (2, 15862340), (4, 7931170), (5, 6344936), (8, 3965585), (10, 3172468), (13, 2440360), (19, 1669720), (20, 1586234), (26, 1220180), (38, 834860), (40, 793117), (52, 610090), (65, 488072), (76, 417430), (95, 333944), (104, 305045), (130, 244036), (152, 208715), (169, 187720), (190, 166972), (247, 128440), (260, 122018), (338, 93860), (361, 87880), (380, 83486), (494, 64220), (520, 61009), (676, 46930), (722, 43940), (760, 41743), (845, 37544), (988, 32110), (1235, 25688), (1352, 23465), (1444, 21970), (1690, 18772), (1805, 17576), (1976, 16055), (2197, 14440), (2470, 12844), (2888, 10985), (3211, 9880), (3380, 9386), (3610, 8788), (4394, 7220), (4693, 6760), (4940, 6422)]