213609840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28711}}^1$

素因数の和:28758

約数の個数: 80

約数和(自身を含む): 683575296

約数和(自身を除く): 469965456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28711, 57422, 86133, 114844, 143555, 172266, 229688, 287110, 344532, 430665, 459376, 574220, 689064, 861330, 890041, 1148440, 1378128, 1722660, 1780082, 2296880, 2670123, 3445320, 3560164, 4450205, 5340246, 6890640, 7120328, 8900410, 10680492, 13350615, 14240656, 17800820, 21360984, 26701230, 35601640, 42721968, 53402460, 71203280, 106804920, 213609840]

約数ペア:

[(1, 213609840), (2, 106804920), (3, 71203280), (4, 53402460), (5, 42721968), (6, 35601640), (8, 26701230), (10, 21360984), (12, 17800820), (15, 14240656), (16, 13350615), (20, 10680492), (24, 8900410), (30, 7120328), (31, 6890640), (40, 5340246), (48, 4450205), (60, 3560164), (62, 3445320), (80, 2670123), (93, 2296880), (120, 1780082), (124, 1722660), (155, 1378128), (186, 1148440), (240, 890041), (248, 861330), (310, 689064), (372, 574220), (465, 459376), (496, 430665), (620, 344532), (744, 287110), (930, 229688), (1240, 172266), (1488, 143555), (1860, 114844), (2480, 86133), (3720, 57422), (7440, 28711)]