1638648240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{67601}}^1$

素因数の和:67718

約数の個数: 80

約数和(自身を含む): 5130180576

約数和(自身を除く): 3491532336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 6060, 8080, 12120, 24240, 67601, 135202, 202803, 270404, 338005, 405606, 540808, 676010, 811212, 1014015, 1081616, 1352020, 1622424, 2028030, 2704040, 3244848, 4056060, 5408080, 6827701, 8112120, 13655402, 16224240, 20483103, 27310804, 34138505, 40966206, 54621608, 68277010, 81932412, 102415515, 109243216, 136554020, 163864824, 204831030, 273108040, 327729648, 409662060, 546216080, 819324120, 1638648240]

約数ペア:

[(1, 1638648240), (2, 819324120), (3, 546216080), (4, 409662060), (5, 327729648), (6, 273108040), (8, 204831030), (10, 163864824), (12, 136554020), (15, 109243216), (16, 102415515), (20, 81932412), (24, 68277010), (30, 54621608), (40, 40966206), (48, 34138505), (60, 27310804), (80, 20483103), (101, 16224240), (120, 13655402), (202, 8112120), (240, 6827701), (303, 5408080), (404, 4056060), (505, 3244848), (606, 2704040), (808, 2028030), (1010, 1622424), (1212, 1352020), (1515, 1081616), (1616, 1014015), (2020, 811212), (2424, 676010), (3030, 540808), (4040, 405606), (4848, 338005), (6060, 270404), (8080, 202803), (12120, 135202), (24240, 67601)]