61499480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 158976000

約数和(自身を除く): 97476520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 919, 956, 1195, 1673, 1838, 1912, 2390, 3346, 3676, 4595, 4780, 6433, 6692, 7352, 8365, 9190, 9560, 12866, 13384, 16730, 18380, 25732, 32165, 33460, 36760, 51464, 64330, 66920, 128660, 219641, 257320, 439282, 878564, 1098205, 1537487, 1757128, 2196410, 3074974, 4392820, 6149948, 7687435, 8785640, 12299896, 15374870, 30749740, 61499480]

約数ペア:

[(1, 61499480), (2, 30749740), (4, 15374870), (5, 12299896), (7, 8785640), (8, 7687435), (10, 6149948), (14, 4392820), (20, 3074974), (28, 2196410), (35, 1757128), (40, 1537487), (56, 1098205), (70, 878564), (140, 439282), (239, 257320), (280, 219641), (478, 128660), (919, 66920), (956, 64330), (1195, 51464), (1673, 36760), (1838, 33460), (1912, 32165), (2390, 25732), (3346, 18380), (3676, 16730), (4595, 13384), (4780, 12866), (6433, 9560), (6692, 9190), (7352, 8365)]