31215720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4409}}^1$

素因数の和:4482

約数の個数: 64

約数和(自身を含む): 95256000

約数和(自身を除く): 64040280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 3540, 4409, 7080, 8818, 13227, 17636, 22045, 26454, 35272, 44090, 52908, 66135, 88180, 105816, 132270, 176360, 260131, 264540, 520262, 529080, 780393, 1040524, 1300655, 1560786, 2081048, 2601310, 3121572, 3901965, 5202620, 6243144, 7803930, 10405240, 15607860, 31215720]

約数ペア:

[(1, 31215720), (2, 15607860), (3, 10405240), (4, 7803930), (5, 6243144), (6, 5202620), (8, 3901965), (10, 3121572), (12, 2601310), (15, 2081048), (20, 1560786), (24, 1300655), (30, 1040524), (40, 780393), (59, 529080), (60, 520262), (118, 264540), (120, 260131), (177, 176360), (236, 132270), (295, 105816), (354, 88180), (472, 66135), (590, 52908), (708, 44090), (885, 35272), (1180, 26454), (1416, 22045), (1770, 17636), (2360, 13227), (3540, 8818), (4409, 7080)]