77407960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9533}}^1$

素因数の和:9580

約数の個数: 64

約数和(自身を含む): 205934400

約数和(自身を除く): 128526440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 9533, 19066, 38132, 47665, 66731, 76264, 95330, 133462, 190660, 266924, 276457, 333655, 381320, 533848, 552914, 667310, 1105828, 1334620, 1382285, 1935199, 2211656, 2669240, 2764570, 3870398, 5529140, 7740796, 9675995, 11058280, 15481592, 19351990, 38703980, 77407960]

約数ペア:

[(1, 77407960), (2, 38703980), (4, 19351990), (5, 15481592), (7, 11058280), (8, 9675995), (10, 7740796), (14, 5529140), (20, 3870398), (28, 2764570), (29, 2669240), (35, 2211656), (40, 1935199), (56, 1382285), (58, 1334620), (70, 1105828), (116, 667310), (140, 552914), (145, 533848), (203, 381320), (232, 333655), (280, 276457), (290, 266924), (406, 190660), (580, 133462), (812, 95330), (1015, 76264), (1160, 66731), (1624, 47665), (2030, 38132), (4060, 19066), (8120, 9533)]