31431420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4259}}^1$

素因数の和:4315

約数の個数: 72

約数和(自身を含む): 97690320

約数和(自身を除く): 66258900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 4259, 7380, 8518, 12777, 17036, 21295, 25554, 38331, 42590, 51108, 63885, 76662, 85180, 127770, 153324, 174619, 191655, 255540, 349238, 383310, 523857, 698476, 766620, 873095, 1047714, 1571571, 1746190, 2095428, 2619285, 3143142, 3492380, 5238570, 6286284, 7857855, 10477140, 15715710, 31431420]

約数ペア:

[(1, 31431420), (2, 15715710), (3, 10477140), (4, 7857855), (5, 6286284), (6, 5238570), (9, 3492380), (10, 3143142), (12, 2619285), (15, 2095428), (18, 1746190), (20, 1571571), (30, 1047714), (36, 873095), (41, 766620), (45, 698476), (60, 523857), (82, 383310), (90, 349238), (123, 255540), (164, 191655), (180, 174619), (205, 153324), (246, 127770), (369, 85180), (410, 76662), (492, 63885), (615, 51108), (738, 42590), (820, 38331), (1230, 25554), (1476, 21295), (1845, 17036), (2460, 12777), (3690, 8518), (4259, 7380)]