2018786960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{15359}}^1$

素因数の和:15456

約数の個数: 80

約数和(自身を含む): 4936826880

約数和(自身を除く): 2918039920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1643, 2120, 2480, 3286, 4240, 6572, 8215, 13144, 15359, 16430, 26288, 30718, 32860, 61436, 65720, 76795, 122872, 131440, 153590, 245744, 307180, 476129, 614360, 814027, 952258, 1228720, 1628054, 1904516, 2380645, 3256108, 3809032, 4070135, 4761290, 6512216, 7618064, 8140270, 9522580, 13024432, 16280540, 19045160, 25234837, 32561080, 38090320, 50469674, 65122160, 100939348, 126174185, 201878696, 252348370, 403757392, 504696740, 1009393480, 2018786960]

約数ペア:

[(1, 2018786960), (2, 1009393480), (4, 504696740), (5, 403757392), (8, 252348370), (10, 201878696), (16, 126174185), (20, 100939348), (31, 65122160), (40, 50469674), (53, 38090320), (62, 32561080), (80, 25234837), (106, 19045160), (124, 16280540), (155, 13024432), (212, 9522580), (248, 8140270), (265, 7618064), (310, 6512216), (424, 4761290), (496, 4070135), (530, 3809032), (620, 3256108), (848, 2380645), (1060, 1904516), (1240, 1628054), (1643, 1228720), (2120, 952258), (2480, 814027), (3286, 614360), (4240, 476129), (6572, 307180), (8215, 245744), (13144, 153590), (15359, 131440), (16430, 122872), (26288, 76795), (30718, 65720), (32860, 61436)]