127584870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 364953600

約数和(自身を除く): 237368730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 71, 86, 105, 129, 142, 199, 210, 213, 215, 258, 301, 355, 398, 426, 430, 497, 597, 602, 645, 710, 903, 994, 995, 1065, 1194, 1290, 1393, 1491, 1505, 1806, 1990, 2130, 2485, 2786, 2982, 2985, 3010, 3053, 4179, 4515, 4970, 5970, 6106, 6965, 7455, 8358, 8557, 9030, 9159, 13930, 14129, 14910, 15265, 17114, 18318, 20895, 21371, 25671, 28258, 30530, 41790, 42387, 42742, 42785, 45795, 51342, 59899, 64113, 70645, 84774, 85570, 91590, 98903, 106855, 119798, 128226, 128355, 141290, 179697, 197806, 211935, 213710, 256710, 296709, 299495, 320565, 359394, 423870, 494515, 593418, 598990, 607547, 641130, 898485, 989030, 1215094, 1483545, 1796970, 1822641, 2967090, 3037735, 3645282, 4252829, 6075470, 8505658, 9113205, 12758487, 18226410, 21264145, 25516974, 42528290, 63792435, 127584870]

約数ペア:

[(1, 127584870), (2, 63792435), (3, 42528290), (5, 25516974), (6, 21264145), (7, 18226410), (10, 12758487), (14, 9113205), (15, 8505658), (21, 6075470), (30, 4252829), (35, 3645282), (42, 3037735), (43, 2967090), (70, 1822641), (71, 1796970), (86, 1483545), (105, 1215094), (129, 989030), (142, 898485), (199, 641130), (210, 607547), (213, 598990), (215, 593418), (258, 494515), (301, 423870), (355, 359394), (398, 320565), (426, 299495), (430, 296709), (497, 256710), (597, 213710), (602, 211935), (645, 197806), (710, 179697), (903, 141290), (994, 128355), (995, 128226), (1065, 119798), (1194, 106855), (1290, 98903), (1393, 91590), (1491, 85570), (1505, 84774), (1806, 70645), (1990, 64113), (2130, 59899), (2485, 51342), (2786, 45795), (2982, 42785), (2985, 42742), (3010, 42387), (3053, 41790), (4179, 30530), (4515, 28258), (4970, 25671), (5970, 21371), (6106, 20895), (6965, 18318), (7455, 17114), (8358, 15265), (8557, 14910), (9030, 14129), (9159, 13930)]