30118920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 99792000

約数和(自身を除く): 69673080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 449, 516, 520, 559, 645, 780, 860, 898, 1032, 1118, 1290, 1347, 1560, 1677, 1720, 1796, 2236, 2245, 2580, 2694, 2795, 3354, 3592, 4472, 4490, 5160, 5388, 5590, 5837, 6708, 6735, 8385, 8980, 10776, 11180, 11674, 13416, 13470, 16770, 17511, 17960, 19307, 22360, 23348, 26940, 29185, 33540, 35022, 38614, 46696, 53880, 57921, 58370, 67080, 70044, 77228, 87555, 96535, 115842, 116740, 140088, 154456, 175110, 193070, 231684, 233480, 250991, 289605, 350220, 386140, 463368, 501982, 579210, 700440, 752973, 772280, 1003964, 1158420, 1254955, 1505946, 2007928, 2316840, 2509910, 3011892, 3764865, 5019820, 6023784, 7529730, 10039640, 15059460, 30118920]

約数ペア:

[(1, 30118920), (2, 15059460), (3, 10039640), (4, 7529730), (5, 6023784), (6, 5019820), (8, 3764865), (10, 3011892), (12, 2509910), (13, 2316840), (15, 2007928), (20, 1505946), (24, 1254955), (26, 1158420), (30, 1003964), (39, 772280), (40, 752973), (43, 700440), (52, 579210), (60, 501982), (65, 463368), (78, 386140), (86, 350220), (104, 289605), (120, 250991), (129, 233480), (130, 231684), (156, 193070), (172, 175110), (195, 154456), (215, 140088), (258, 116740), (260, 115842), (312, 96535), (344, 87555), (390, 77228), (430, 70044), (449, 67080), (516, 58370), (520, 57921), (559, 53880), (645, 46696), (780, 38614), (860, 35022), (898, 33540), (1032, 29185), (1118, 26940), (1290, 23348), (1347, 22360), (1560, 19307), (1677, 17960), (1720, 17511), (1796, 16770), (2236, 13470), (2245, 13416), (2580, 11674), (2694, 11180), (2795, 10776), (3354, 8980), (3592, 8385), (4472, 6735), (4490, 6708), (5160, 5837), (5388, 5590)]