64416840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1487}}^1$

素因数の和:1539

約数の個数: 96

約数和(自身を含む): 204094080

約数和(自身を除く): 139677240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 380, 456, 570, 722, 760, 1083, 1140, 1444, 1487, 1805, 2166, 2280, 2888, 2974, 3610, 4332, 4461, 5415, 5948, 7220, 7435, 8664, 8922, 10830, 11896, 14440, 14870, 17844, 21660, 22305, 28253, 29740, 35688, 43320, 44610, 56506, 59480, 84759, 89220, 113012, 141265, 169518, 178440, 226024, 282530, 339036, 423795, 536807, 565060, 678072, 847590, 1073614, 1130120, 1610421, 1695180, 2147228, 2684035, 3220842, 3390360, 4294456, 5368070, 6441684, 8052105, 10736140, 12883368, 16104210, 21472280, 32208420, 64416840]

約数ペア:

[(1, 64416840), (2, 32208420), (3, 21472280), (4, 16104210), (5, 12883368), (6, 10736140), (8, 8052105), (10, 6441684), (12, 5368070), (15, 4294456), (19, 3390360), (20, 3220842), (24, 2684035), (30, 2147228), (38, 1695180), (40, 1610421), (57, 1130120), (60, 1073614), (76, 847590), (95, 678072), (114, 565060), (120, 536807), (152, 423795), (190, 339036), (228, 282530), (285, 226024), (361, 178440), (380, 169518), (456, 141265), (570, 113012), (722, 89220), (760, 84759), (1083, 59480), (1140, 56506), (1444, 44610), (1487, 43320), (1805, 35688), (2166, 29740), (2280, 28253), (2888, 22305), (2974, 21660), (3610, 17844), (4332, 14870), (4461, 14440), (5415, 11896), (5948, 10830), (7220, 8922), (7435, 8664)]