31916040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 105840000

約数和(自身を除く): 73923960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 312, 328, 390, 410, 492, 499, 520, 533, 615, 780, 820, 984, 998, 1066, 1230, 1497, 1560, 1599, 1640, 1996, 2132, 2460, 2495, 2665, 2994, 3198, 3992, 4264, 4920, 4990, 5330, 5988, 6396, 6487, 7485, 7995, 9980, 10660, 11976, 12792, 12974, 14970, 15990, 19461, 19960, 20459, 21320, 25948, 29940, 31980, 32435, 38922, 40918, 51896, 59880, 61377, 63960, 64870, 77844, 81836, 97305, 102295, 122754, 129740, 155688, 163672, 194610, 204590, 245508, 259480, 265967, 306885, 389220, 409180, 491016, 531934, 613770, 778440, 797901, 818360, 1063868, 1227540, 1329835, 1595802, 2127736, 2455080, 2659670, 3191604, 3989505, 5319340, 6383208, 7979010, 10638680, 15958020, 31916040]

約数ペア:

[(1, 31916040), (2, 15958020), (3, 10638680), (4, 7979010), (5, 6383208), (6, 5319340), (8, 3989505), (10, 3191604), (12, 2659670), (13, 2455080), (15, 2127736), (20, 1595802), (24, 1329835), (26, 1227540), (30, 1063868), (39, 818360), (40, 797901), (41, 778440), (52, 613770), (60, 531934), (65, 491016), (78, 409180), (82, 389220), (104, 306885), (120, 265967), (123, 259480), (130, 245508), (156, 204590), (164, 194610), (195, 163672), (205, 155688), (246, 129740), (260, 122754), (312, 102295), (328, 97305), (390, 81836), (410, 77844), (492, 64870), (499, 63960), (520, 61377), (533, 59880), (615, 51896), (780, 40918), (820, 38922), (984, 32435), (998, 31980), (1066, 29940), (1230, 25948), (1497, 21320), (1560, 20459), (1599, 19960), (1640, 19461), (1996, 15990), (2132, 14970), (2460, 12974), (2495, 12792), (2665, 11976), (2994, 10660), (3198, 9980), (3992, 7995), (4264, 7485), (4920, 6487), (4990, 6396), (5330, 5988)]