213237840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28661}}^1$

素因数の和:28708

約数の個数: 80

約数和(自身を含む): 682384896

約数和(自身を除く): 469147056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28661, 57322, 85983, 114644, 143305, 171966, 229288, 286610, 343932, 429915, 458576, 573220, 687864, 859830, 888491, 1146440, 1375728, 1719660, 1776982, 2292880, 2665473, 3439320, 3553964, 4442455, 5330946, 6878640, 7107928, 8884910, 10661892, 13327365, 14215856, 17769820, 21323784, 26654730, 35539640, 42647568, 53309460, 71079280, 106618920, 213237840]

約数ペア:

[(1, 213237840), (2, 106618920), (3, 71079280), (4, 53309460), (5, 42647568), (6, 35539640), (8, 26654730), (10, 21323784), (12, 17769820), (15, 14215856), (16, 13327365), (20, 10661892), (24, 8884910), (30, 7107928), (31, 6878640), (40, 5330946), (48, 4442455), (60, 3553964), (62, 3439320), (80, 2665473), (93, 2292880), (120, 1776982), (124, 1719660), (155, 1375728), (186, 1146440), (240, 888491), (248, 859830), (310, 687864), (372, 573220), (465, 458576), (496, 429915), (620, 343932), (744, 286610), (930, 229288), (1240, 171966), (1488, 143305), (1860, 114644), (2480, 85983), (3720, 57322), (7440, 28661)]