64344640

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{557}}^1$

素因数の和:612

約数の個数: 84

約数和(自身を含む): 161999676

約数和(自身を除く): 97655036

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 361, 380, 557, 608, 722, 760, 1114, 1216, 1444, 1520, 1805, 2228, 2785, 2888, 3040, 3610, 4456, 5570, 5776, 6080, 7220, 8912, 10583, 11140, 11552, 14440, 17824, 21166, 22280, 23104, 28880, 35648, 42332, 44560, 52915, 57760, 84664, 89120, 105830, 115520, 169328, 178240, 201077, 211660, 338656, 402154, 423320, 677312, 804308, 846640, 1005385, 1608616, 1693280, 2010770, 3217232, 3386560, 4021540, 6434464, 8043080, 12868928, 16086160, 32172320, 64344640]

約数ペア:

[(1, 64344640), (2, 32172320), (4, 16086160), (5, 12868928), (8, 8043080), (10, 6434464), (16, 4021540), (19, 3386560), (20, 3217232), (32, 2010770), (38, 1693280), (40, 1608616), (64, 1005385), (76, 846640), (80, 804308), (95, 677312), (152, 423320), (160, 402154), (190, 338656), (304, 211660), (320, 201077), (361, 178240), (380, 169328), (557, 115520), (608, 105830), (722, 89120), (760, 84664), (1114, 57760), (1216, 52915), (1444, 44560), (1520, 42332), (1805, 35648), (2228, 28880), (2785, 23104), (2888, 22280), (3040, 21166), (3610, 17824), (4456, 14440), (5570, 11552), (5776, 11140), (6080, 10583), (7220, 8912)]