645213660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{118171}}^1$

素因数の和:118203

約数の個数: 96

約数和(自身を含む): 2223524352

約数和(自身を除く): 1578310692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 118171, 236342, 354513, 472684, 590855, 709026, 827197, 1181710, 1418052, 1536223, 1654394, 1772565, 2363420, 2481591, 3072446, 3308788, 3545130, 4135985, 4608669, 4963182, 6144892, 7090260, 7681115, 8271970, 9217338, 9926364, 10753561, 12407955, 15362230, 16543940, 18434676, 21507122, 23043345, 24815910, 30724460, 32260683, 43014244, 46086690, 49631820, 53767805, 64521366, 92173380, 107535610, 129042732, 161303415, 215071220, 322606830, 645213660]

約数ペア:

[(1, 645213660), (2, 322606830), (3, 215071220), (4, 161303415), (5, 129042732), (6, 107535610), (7, 92173380), (10, 64521366), (12, 53767805), (13, 49631820), (14, 46086690), (15, 43014244), (20, 32260683), (21, 30724460), (26, 24815910), (28, 23043345), (30, 21507122), (35, 18434676), (39, 16543940), (42, 15362230), (52, 12407955), (60, 10753561), (65, 9926364), (70, 9217338), (78, 8271970), (84, 7681115), (91, 7090260), (105, 6144892), (130, 4963182), (140, 4608669), (156, 4135985), (182, 3545130), (195, 3308788), (210, 3072446), (260, 2481591), (273, 2363420), (364, 1772565), (390, 1654394), (420, 1536223), (455, 1418052), (546, 1181710), (780, 827197), (910, 709026), (1092, 590855), (1365, 472684), (1820, 354513), (2730, 236342), (5460, 118171)]