15535940

素因数分解:

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

素因数の和:297

約数の個数: 72

約数和(自身を含む): 38610432

約数和(自身を除く): 23074492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 191, 196, 245, 332, 382, 415, 490, 581, 764, 830, 955, 980, 1162, 1337, 1660, 1910, 2324, 2674, 2905, 3820, 4067, 5348, 5810, 6685, 8134, 9359, 11620, 13370, 15853, 16268, 18718, 20335, 26740, 31706, 37436, 40670, 46795, 63412, 79265, 81340, 93590, 110971, 158530, 187180, 221942, 317060, 443884, 554855, 776797, 1109710, 1553594, 2219420, 3107188, 3883985, 7767970, 15535940]

約数ペア:

[(1, 15535940), (2, 7767970), (4, 3883985), (5, 3107188), (7, 2219420), (10, 1553594), (14, 1109710), (20, 776797), (28, 554855), (35, 443884), (49, 317060), (70, 221942), (83, 187180), (98, 158530), (140, 110971), (166, 93590), (191, 81340), (196, 79265), (245, 63412), (332, 46795), (382, 40670), (415, 37436), (490, 31706), (581, 26740), (764, 20335), (830, 18718), (955, 16268), (980, 15853), (1162, 13370), (1337, 11620), (1660, 9359), (1910, 8134), (2324, 6685), (2674, 5810), (2905, 5348), (3820, 4067)]