78680940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:851

約数の個数: 96

約数和(自身を含む): 239198400

約数和(自身を除く): 160517460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 677, 745, 780, 894, 1354, 1490, 1788, 1937, 2031, 2235, 2708, 2980, 3385, 3874, 4062, 4470, 5811, 6770, 7748, 8124, 8801, 8940, 9685, 10155, 11622, 13540, 17602, 19370, 20310, 23244, 26403, 29055, 35204, 38740, 40620, 44005, 52806, 58110, 88010, 100873, 105612, 116220, 132015, 176020, 201746, 264030, 302619, 403492, 504365, 528060, 605238, 1008730, 1210476, 1311349, 1513095, 2017460, 2622698, 3026190, 3934047, 5245396, 6052380, 6556745, 7868094, 13113490, 15736188, 19670235, 26226980, 39340470, 78680940]

約数ペア:

[(1, 78680940), (2, 39340470), (3, 26226980), (4, 19670235), (5, 15736188), (6, 13113490), (10, 7868094), (12, 6556745), (13, 6052380), (15, 5245396), (20, 3934047), (26, 3026190), (30, 2622698), (39, 2017460), (52, 1513095), (60, 1311349), (65, 1210476), (78, 1008730), (130, 605238), (149, 528060), (156, 504365), (195, 403492), (260, 302619), (298, 264030), (390, 201746), (447, 176020), (596, 132015), (677, 116220), (745, 105612), (780, 100873), (894, 88010), (1354, 58110), (1490, 52806), (1788, 44005), (1937, 40620), (2031, 38740), (2235, 35204), (2708, 29055), (2980, 26403), (3385, 23244), (3874, 20310), (4062, 19370), (4470, 17602), (5811, 13540), (6770, 11622), (7748, 10155), (8124, 9685), (8801, 8940)]