28586940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 83758080

約数和(自身を除く): 55171140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 79, 111, 148, 158, 163, 185, 222, 237, 316, 326, 370, 395, 444, 474, 489, 555, 652, 740, 790, 815, 948, 978, 1110, 1185, 1580, 1630, 1956, 2220, 2370, 2445, 2923, 3260, 4740, 4890, 5846, 6031, 8769, 9780, 11692, 12062, 12877, 14615, 17538, 18093, 24124, 25754, 29230, 30155, 35076, 36186, 38631, 43845, 51508, 58460, 60310, 64385, 72372, 77262, 87690, 90465, 120620, 128770, 154524, 175380, 180930, 193155, 257540, 361860, 386310, 476449, 772620, 952898, 1429347, 1905796, 2382245, 2858694, 4764490, 5717388, 7146735, 9528980, 14293470, 28586940]

約数ペア:

[(1, 28586940), (2, 14293470), (3, 9528980), (4, 7146735), (5, 5717388), (6, 4764490), (10, 2858694), (12, 2382245), (15, 1905796), (20, 1429347), (30, 952898), (37, 772620), (60, 476449), (74, 386310), (79, 361860), (111, 257540), (148, 193155), (158, 180930), (163, 175380), (185, 154524), (222, 128770), (237, 120620), (316, 90465), (326, 87690), (370, 77262), (395, 72372), (444, 64385), (474, 60310), (489, 58460), (555, 51508), (652, 43845), (740, 38631), (790, 36186), (815, 35076), (948, 30155), (978, 29230), (1110, 25754), (1185, 24124), (1580, 18093), (1630, 17538), (1956, 14615), (2220, 12877), (2370, 12062), (2445, 11692), (2923, 9780), (3260, 8769), (4740, 6031), (4890, 5846)]