18100740280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2731}}^1\times {\mathrm{23671}}^1$

素因数の和:26420

約数の個数: 64

約数和(自身を含む): 46563770880

約数和(自身を除く): 28463030600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2731, 5462, 10924, 13655, 19117, 21848, 23671, 27310, 38234, 47342, 54620, 76468, 94684, 95585, 109240, 118355, 152936, 165697, 189368, 191170, 236710, 331394, 382340, 473420, 662788, 764680, 828485, 946840, 1325576, 1656970, 3313940, 6627880, 64645501, 129291002, 258582004, 323227505, 452518507, 517164008, 646455010, 905037014, 1292910020, 1810074028, 2262592535, 2585820040, 3620148056, 4525185070, 9050370140, 18100740280]

約数ペア:

[(1, 18100740280), (2, 9050370140), (4, 4525185070), (5, 3620148056), (7, 2585820040), (8, 2262592535), (10, 1810074028), (14, 1292910020), (20, 905037014), (28, 646455010), (35, 517164008), (40, 452518507), (56, 323227505), (70, 258582004), (140, 129291002), (280, 64645501), (2731, 6627880), (5462, 3313940), (10924, 1656970), (13655, 1325576), (19117, 946840), (21848, 828485), (23671, 764680), (27310, 662788), (38234, 473420), (47342, 382340), (54620, 331394), (76468, 236710), (94684, 191170), (95585, 189368), (109240, 165697), (118355, 152936)]