81239730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 128

約数和(自身を含む): 237323520

約数和(自身を除く): 156083790

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 29, 30, 33, 39, 55, 58, 65, 66, 78, 87, 110, 130, 143, 145, 165, 174, 195, 286, 290, 319, 330, 377, 390, 429, 435, 638, 653, 715, 754, 858, 870, 957, 1131, 1306, 1430, 1595, 1885, 1914, 1959, 2145, 2262, 3190, 3265, 3770, 3918, 4147, 4290, 4785, 5655, 6530, 7183, 8294, 8489, 9570, 9795, 11310, 12441, 14366, 16978, 18937, 19590, 20735, 21549, 24882, 25467, 35915, 37874, 41470, 42445, 43098, 50934, 56811, 62205, 71830, 84890, 93379, 94685, 107745, 113622, 124410, 127335, 186758, 189370, 208307, 215490, 246181, 254670, 280137, 284055, 416614, 466895, 492362, 560274, 568110, 624921, 738543, 933790, 1041535, 1230905, 1249842, 1400685, 1477086, 2083070, 2461810, 2707991, 2801370, 3124605, 3692715, 5415982, 6249210, 7385430, 8123973, 13539955, 16247946, 27079910, 40619865, 81239730]

約数ペア:

[(1, 81239730), (2, 40619865), (3, 27079910), (5, 16247946), (6, 13539955), (10, 8123973), (11, 7385430), (13, 6249210), (15, 5415982), (22, 3692715), (26, 3124605), (29, 2801370), (30, 2707991), (33, 2461810), (39, 2083070), (55, 1477086), (58, 1400685), (65, 1249842), (66, 1230905), (78, 1041535), (87, 933790), (110, 738543), (130, 624921), (143, 568110), (145, 560274), (165, 492362), (174, 466895), (195, 416614), (286, 284055), (290, 280137), (319, 254670), (330, 246181), (377, 215490), (390, 208307), (429, 189370), (435, 186758), (638, 127335), (653, 124410), (715, 113622), (754, 107745), (858, 94685), (870, 93379), (957, 84890), (1131, 71830), (1306, 62205), (1430, 56811), (1595, 50934), (1885, 43098), (1914, 42445), (1959, 41470), (2145, 37874), (2262, 35915), (3190, 25467), (3265, 24882), (3770, 21549), (3918, 20735), (4147, 19590), (4290, 18937), (4785, 16978), (5655, 14366), (6530, 12441), (7183, 11310), (8294, 9795), (8489, 9570)]