31441620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74861}}^1$

素因数の和:74880

約数の個数: 48

約数和(自身を含む): 100614528

約数和(自身を除く): 69172908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74861, 149722, 224583, 299444, 374305, 449166, 524027, 748610, 898332, 1048054, 1122915, 1497220, 1572081, 2096108, 2245830, 2620135, 3144162, 4491660, 5240270, 6288324, 7860405, 10480540, 15720810, 31441620]

約数ペア:

[(1, 31441620), (2, 15720810), (3, 10480540), (4, 7860405), (5, 6288324), (6, 5240270), (7, 4491660), (10, 3144162), (12, 2620135), (14, 2245830), (15, 2096108), (20, 1572081), (21, 1497220), (28, 1122915), (30, 1048054), (35, 898332), (42, 748610), (60, 524027), (70, 449166), (84, 374305), (105, 299444), (140, 224583), (210, 149722), (420, 74861)]