240357720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28211}}^1$

素因数の和:28296

約数の個数: 64

約数和(自身を含む): 731255040

約数和(自身を除く): 490897320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 28211, 56422, 84633, 112844, 141055, 169266, 225688, 282110, 338532, 423165, 564220, 677064, 846330, 1128440, 1692660, 2002981, 3385320, 4005962, 6008943, 8011924, 10014905, 12017886, 16023848, 20029810, 24035772, 30044715, 40059620, 48071544, 60089430, 80119240, 120178860, 240357720]

約数ペア:

[(1, 240357720), (2, 120178860), (3, 80119240), (4, 60089430), (5, 48071544), (6, 40059620), (8, 30044715), (10, 24035772), (12, 20029810), (15, 16023848), (20, 12017886), (24, 10014905), (30, 8011924), (40, 6008943), (60, 4005962), (71, 3385320), (120, 2002981), (142, 1692660), (213, 1128440), (284, 846330), (355, 677064), (426, 564220), (568, 423165), (710, 338532), (852, 282110), (1065, 225688), (1420, 169266), (1704, 141055), (2130, 112844), (2840, 84633), (4260, 56422), (8520, 28211)]