31071880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 82736640

約数和(自身を除く): 51664760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 83, 98, 140, 166, 191, 196, 245, 280, 332, 382, 392, 415, 490, 581, 664, 764, 830, 955, 980, 1162, 1337, 1528, 1660, 1910, 1960, 2324, 2674, 2905, 3320, 3820, 4067, 4648, 5348, 5810, 6685, 7640, 8134, 9359, 10696, 11620, 13370, 15853, 16268, 18718, 20335, 23240, 26740, 31706, 32536, 37436, 40670, 46795, 53480, 63412, 74872, 79265, 81340, 93590, 110971, 126824, 158530, 162680, 187180, 221942, 317060, 374360, 443884, 554855, 634120, 776797, 887768, 1109710, 1553594, 2219420, 3107188, 3883985, 4438840, 6214376, 7767970, 15535940, 31071880]

約数ペア:

[(1, 31071880), (2, 15535940), (4, 7767970), (5, 6214376), (7, 4438840), (8, 3883985), (10, 3107188), (14, 2219420), (20, 1553594), (28, 1109710), (35, 887768), (40, 776797), (49, 634120), (56, 554855), (70, 443884), (83, 374360), (98, 317060), (140, 221942), (166, 187180), (191, 162680), (196, 158530), (245, 126824), (280, 110971), (332, 93590), (382, 81340), (392, 79265), (415, 74872), (490, 63412), (581, 53480), (664, 46795), (764, 40670), (830, 37436), (955, 32536), (980, 31706), (1162, 26740), (1337, 23240), (1528, 20335), (1660, 18718), (1910, 16268), (1960, 15853), (2324, 13370), (2674, 11620), (2905, 10696), (3320, 9359), (3820, 8134), (4067, 7640), (4648, 6685), (5348, 5810)]