281031240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{334561}}^1$

素因数の和:334582

約数の個数: 64

約数和(自身を含む): 963538560

約数和(自身を除く): 682507320

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, 334561, 669122, 1003683, 1338244, 1672805, 2007366, 2341927, 2676488, 3345610, 4014732, 4683854, 5018415, 6691220, 7025781, 8029464, 9367708, 10036830, 11709635, 13382440, 14051562, 18735416, 20073660, 23419270, 28103124, 35128905, 40147320, 46838540, 56206248, 70257810, 93677080, 140515620, 281031240]

約数ペア:

[(1, 281031240), (2, 140515620), (3, 93677080), (4, 70257810), (5, 56206248), (6, 46838540), (7, 40147320), (8, 35128905), (10, 28103124), (12, 23419270), (14, 20073660), (15, 18735416), (20, 14051562), (21, 13382440), (24, 11709635), (28, 10036830), (30, 9367708), (35, 8029464), (40, 7025781), (42, 6691220), (56, 5018415), (60, 4683854), (70, 4014732), (84, 3345610), (105, 2676488), (120, 2341927), (140, 2007366), (168, 1672805), (210, 1338244), (280, 1003683), (420, 669122), (840, 334561)]