64448580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153449}}^1$

素因数の和:153468

約数の個数: 48

約数和(自身を含む): 206236800

約数和(自身を除く): 141788220

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, 153449, 306898, 460347, 613796, 767245, 920694, 1074143, 1534490, 1841388, 2148286, 2301735, 3068980, 3222429, 4296572, 4603470, 5370715, 6444858, 9206940, 10741430, 12889716, 16112145, 21482860, 32224290, 64448580]

約数ペア:

[(1, 64448580), (2, 32224290), (3, 21482860), (4, 16112145), (5, 12889716), (6, 10741430), (7, 9206940), (10, 6444858), (12, 5370715), (14, 4603470), (15, 4296572), (20, 3222429), (21, 3068980), (28, 2301735), (30, 2148286), (35, 1841388), (42, 1534490), (60, 1074143), (70, 920694), (84, 767245), (105, 613796), (140, 460347), (210, 306898), (420, 153449)]