215066220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2775

約数の個数: 96

約数和(自身を含む): 636303360

約数和(自身を除く): 421237140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 516, 620, 645, 860, 930, 1290, 1333, 1860, 2580, 2666, 2689, 3999, 5332, 5378, 6665, 7998, 8067, 10756, 13330, 13445, 15996, 16134, 19995, 26660, 26890, 32268, 39990, 40335, 53780, 79980, 80670, 83359, 115627, 161340, 166718, 231254, 250077, 333436, 346881, 416795, 462508, 500154, 578135, 693762, 833590, 1000308, 1156270, 1250385, 1387524, 1667180, 1734405, 2312540, 2500770, 3468810, 3584437, 5001540, 6937620, 7168874, 10753311, 14337748, 17922185, 21506622, 35844370, 43013244, 53766555, 71688740, 107533110, 215066220]

約数ペア:

[(1, 215066220), (2, 107533110), (3, 71688740), (4, 53766555), (5, 43013244), (6, 35844370), (10, 21506622), (12, 17922185), (15, 14337748), (20, 10753311), (30, 7168874), (31, 6937620), (43, 5001540), (60, 3584437), (62, 3468810), (86, 2500770), (93, 2312540), (124, 1734405), (129, 1667180), (155, 1387524), (172, 1250385), (186, 1156270), (215, 1000308), (258, 833590), (310, 693762), (372, 578135), (430, 500154), (465, 462508), (516, 416795), (620, 346881), (645, 333436), (860, 250077), (930, 231254), (1290, 166718), (1333, 161340), (1860, 115627), (2580, 83359), (2666, 80670), (2689, 79980), (3999, 53780), (5332, 40335), (5378, 39990), (6665, 32268), (7998, 26890), (8067, 26660), (10756, 19995), (13330, 16134), (13445, 15996)]