81734520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97303}}^1$

素因数の和:97324

約数の個数: 64

約数和(自身を含む): 280235520

約数和(自身を除く): 198501000

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, 97303, 194606, 291909, 389212, 486515, 583818, 681121, 778424, 973030, 1167636, 1362242, 1459545, 1946060, 2043363, 2335272, 2724484, 2919090, 3405605, 3892120, 4086726, 5448968, 5838180, 6811210, 8173452, 10216815, 11676360, 13622420, 16346904, 20433630, 27244840, 40867260, 81734520]

約数ペア:

[(1, 81734520), (2, 40867260), (3, 27244840), (4, 20433630), (5, 16346904), (6, 13622420), (7, 11676360), (8, 10216815), (10, 8173452), (12, 6811210), (14, 5838180), (15, 5448968), (20, 4086726), (21, 3892120), (24, 3405605), (28, 2919090), (30, 2724484), (35, 2335272), (40, 2043363), (42, 1946060), (56, 1459545), (60, 1362242), (70, 1167636), (84, 973030), (105, 778424), (120, 681121), (140, 583818), (168, 486515), (210, 389212), (280, 291909), (420, 194606), (840, 97303)]