51711240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61561}}^1$

素因数の和:61582

約数の個数: 64

約数和(自身を含む): 177298560

約数和(自身を除く): 125587320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 61561, 123122, 184683, 246244, 307805, 369366, 430927, 492488, 615610, 738732, 861854, 923415, 1231220, 1292781, 1477464, 1723708, 1846830, 2154635, 2462440, 2585562, 3447416, 3693660, 4309270, 5171124, 6463905, 7387320, 8618540, 10342248, 12927810, 17237080, 25855620, 51711240]

約数ペア:

[(1, 51711240), (2, 25855620), (3, 17237080), (4, 12927810), (5, 10342248), (6, 8618540), (7, 7387320), (8, 6463905), (10, 5171124), (12, 4309270), (14, 3693660), (15, 3447416), (20, 2585562), (21, 2462440), (24, 2154635), (28, 1846830), (30, 1723708), (35, 1477464), (40, 1292781), (42, 1231220), (56, 923415), (60, 861854), (70, 738732), (84, 615610), (105, 492488), (120, 430927), (140, 369366), (168, 307805), (210, 246244), (280, 184683), (420, 123122), (840, 61561)]