71249940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1429}}^1$

素因数の和:1721

約数の個数: 72

約数和(自身を含む): 217056840

約数和(自身を除く): 145806900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1429, 1662, 2493, 2770, 2858, 3324, 4155, 4287, 4986, 5540, 5716, 7145, 8310, 8574, 9972, 12465, 12861, 14290, 16620, 17148, 21435, 24930, 25722, 28580, 42870, 49860, 51444, 64305, 85740, 128610, 257220, 395833, 791666, 1187499, 1583332, 1979165, 2374998, 3562497, 3958330, 4749996, 5937495, 7124994, 7916660, 11874990, 14249988, 17812485, 23749980, 35624970, 71249940]

約数ペア:

[(1, 71249940), (2, 35624970), (3, 23749980), (4, 17812485), (5, 14249988), (6, 11874990), (9, 7916660), (10, 7124994), (12, 5937495), (15, 4749996), (18, 3958330), (20, 3562497), (30, 2374998), (36, 1979165), (45, 1583332), (60, 1187499), (90, 791666), (180, 395833), (277, 257220), (554, 128610), (831, 85740), (1108, 64305), (1385, 51444), (1429, 49860), (1662, 42870), (2493, 28580), (2770, 25722), (2858, 24930), (3324, 21435), (4155, 17148), (4287, 16620), (4986, 14290), (5540, 12861), (5716, 12465), (7145, 9972), (8310, 8574)]