81769940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 205922304

約数和(自身を除く): 124152364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 83, 124, 140, 155, 166, 217, 227, 310, 332, 415, 434, 454, 581, 620, 830, 868, 908, 1085, 1135, 1162, 1589, 1660, 2170, 2270, 2324, 2573, 2905, 3178, 4340, 4540, 5146, 5810, 6356, 7037, 7945, 10292, 11620, 12865, 14074, 15890, 18011, 18841, 25730, 28148, 31780, 35185, 36022, 37682, 49259, 51460, 70370, 72044, 75364, 90055, 94205, 98518, 131887, 140740, 180110, 188410, 197036, 246295, 263774, 360220, 376820, 492590, 527548, 584071, 659435, 985180, 1168142, 1318870, 2336284, 2637740, 2920355, 4088497, 5840710, 8176994, 11681420, 16353988, 20442485, 40884970, 81769940]

約数ペア:

[(1, 81769940), (2, 40884970), (4, 20442485), (5, 16353988), (7, 11681420), (10, 8176994), (14, 5840710), (20, 4088497), (28, 2920355), (31, 2637740), (35, 2336284), (62, 1318870), (70, 1168142), (83, 985180), (124, 659435), (140, 584071), (155, 527548), (166, 492590), (217, 376820), (227, 360220), (310, 263774), (332, 246295), (415, 197036), (434, 188410), (454, 180110), (581, 140740), (620, 131887), (830, 98518), (868, 94205), (908, 90055), (1085, 75364), (1135, 72044), (1162, 70370), (1589, 51460), (1660, 49259), (2170, 37682), (2270, 36022), (2324, 35185), (2573, 31780), (2905, 28148), (3178, 25730), (4340, 18841), (4540, 18011), (5146, 15890), (5810, 14074), (6356, 12865), (7037, 11620), (7945, 10292)]