31581660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 97574400

約数和(自身を除く): 65992740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 109, 110, 132, 165, 218, 220, 327, 330, 436, 439, 545, 654, 660, 878, 1090, 1199, 1308, 1317, 1635, 1756, 2180, 2195, 2398, 2634, 3270, 3597, 4390, 4796, 4829, 5268, 5995, 6540, 6585, 7194, 8780, 9658, 11990, 13170, 14388, 14487, 17985, 19316, 23980, 24145, 26340, 28974, 35970, 47851, 48290, 57948, 71940, 72435, 95702, 96580, 143553, 144870, 191404, 239255, 287106, 289740, 478510, 526361, 574212, 717765, 957020, 1052722, 1435530, 1579083, 2105444, 2631805, 2871060, 3158166, 5263610, 6316332, 7895415, 10527220, 15790830, 31581660]

約数ペア:

[(1, 31581660), (2, 15790830), (3, 10527220), (4, 7895415), (5, 6316332), (6, 5263610), (10, 3158166), (11, 2871060), (12, 2631805), (15, 2105444), (20, 1579083), (22, 1435530), (30, 1052722), (33, 957020), (44, 717765), (55, 574212), (60, 526361), (66, 478510), (109, 289740), (110, 287106), (132, 239255), (165, 191404), (218, 144870), (220, 143553), (327, 96580), (330, 95702), (436, 72435), (439, 71940), (545, 57948), (654, 48290), (660, 47851), (878, 35970), (1090, 28974), (1199, 26340), (1308, 24145), (1317, 23980), (1635, 19316), (1756, 17985), (2180, 14487), (2195, 14388), (2398, 13170), (2634, 11990), (3270, 9658), (3597, 8780), (4390, 7194), (4796, 6585), (4829, 6540), (5268, 5995)]