71387960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1861}}^1$

素因数の和:2016

約数の個数: 64

約数和(自身を含む): 185008320

約数和(自身を除く): 113620360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1861, 1918, 2740, 3722, 3836, 4795, 5480, 7444, 7672, 9305, 9590, 13027, 14888, 18610, 19180, 26054, 37220, 38360, 52108, 65135, 74440, 104216, 130270, 254957, 260540, 509914, 521080, 1019828, 1274785, 1784699, 2039656, 2549570, 3569398, 5099140, 7138796, 8923495, 10198280, 14277592, 17846990, 35693980, 71387960]

約数ペア:

[(1, 71387960), (2, 35693980), (4, 17846990), (5, 14277592), (7, 10198280), (8, 8923495), (10, 7138796), (14, 5099140), (20, 3569398), (28, 2549570), (35, 2039656), (40, 1784699), (56, 1274785), (70, 1019828), (137, 521080), (140, 509914), (274, 260540), (280, 254957), (548, 130270), (685, 104216), (959, 74440), (1096, 65135), (1370, 52108), (1861, 38360), (1918, 37220), (2740, 26054), (3722, 19180), (3836, 18610), (4795, 14888), (5480, 13027), (7444, 9590), (7672, 9305)]