31507320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 107251200

約数和(自身を除く): 75743880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1063, 1140, 1235, 1482, 1560, 1976, 2126, 2280, 2470, 2964, 3189, 3705, 4252, 4940, 5315, 5928, 6378, 7410, 8504, 9880, 10630, 12756, 13819, 14820, 15945, 20197, 21260, 25512, 27638, 29640, 31890, 40394, 41457, 42520, 55276, 60591, 63780, 69095, 80788, 82914, 100985, 110552, 121182, 127560, 138190, 161576, 165828, 201970, 207285, 242364, 262561, 276380, 302955, 331656, 403940, 414570, 484728, 525122, 552760, 605910, 787683, 807880, 829140, 1050244, 1211820, 1312805, 1575366, 1658280, 2100488, 2423640, 2625610, 3150732, 3938415, 5251220, 6301464, 7876830, 10502440, 15753660, 31507320]

約数ペア:

[(1, 31507320), (2, 15753660), (3, 10502440), (4, 7876830), (5, 6301464), (6, 5251220), (8, 3938415), (10, 3150732), (12, 2625610), (13, 2423640), (15, 2100488), (19, 1658280), (20, 1575366), (24, 1312805), (26, 1211820), (30, 1050244), (38, 829140), (39, 807880), (40, 787683), (52, 605910), (57, 552760), (60, 525122), (65, 484728), (76, 414570), (78, 403940), (95, 331656), (104, 302955), (114, 276380), (120, 262561), (130, 242364), (152, 207285), (156, 201970), (190, 165828), (195, 161576), (228, 138190), (247, 127560), (260, 121182), (285, 110552), (312, 100985), (380, 82914), (390, 80788), (456, 69095), (494, 63780), (520, 60591), (570, 55276), (741, 42520), (760, 41457), (780, 40394), (988, 31890), (1063, 29640), (1140, 27638), (1235, 25512), (1482, 21260), (1560, 20197), (1976, 15945), (2126, 14820), (2280, 13819), (2470, 12756), (2964, 10630), (3189, 9880), (3705, 8504), (4252, 7410), (4940, 6378), (5315, 5928)]