164920980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{392669}}^1$

素因数の和:392688

約数の個数: 48

約数和(自身を含む): 527748480

約数和(自身を除く): 362827500

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, 392669, 785338, 1178007, 1570676, 1963345, 2356014, 2748683, 3926690, 4712028, 5497366, 5890035, 7853380, 8246049, 10994732, 11780070, 13743415, 16492098, 23560140, 27486830, 32984196, 41230245, 54973660, 82460490, 164920980]

約数ペア:

[(1, 164920980), (2, 82460490), (3, 54973660), (4, 41230245), (5, 32984196), (6, 27486830), (7, 23560140), (10, 16492098), (12, 13743415), (14, 11780070), (15, 10994732), (20, 8246049), (21, 7853380), (28, 5890035), (30, 5497366), (35, 4712028), (42, 3926690), (60, 2748683), (70, 2356014), (84, 1963345), (105, 1570676), (140, 1178007), (210, 785338), (420, 392669)]