61709840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 88280560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 167, 248, 298, 310, 334, 496, 596, 620, 668, 745, 835, 1192, 1240, 1336, 1490, 1670, 2384, 2480, 2672, 2980, 3340, 4619, 5177, 5960, 6680, 9238, 10354, 11920, 13360, 18476, 20708, 23095, 24883, 25885, 36952, 41416, 46190, 49766, 51770, 73904, 82832, 92380, 99532, 103540, 124415, 184760, 199064, 207080, 248830, 369520, 398128, 414160, 497660, 771373, 995320, 1542746, 1990640, 3085492, 3856865, 6170984, 7713730, 12341968, 15427460, 30854920, 61709840]

約数ペア:

[(1, 61709840), (2, 30854920), (4, 15427460), (5, 12341968), (8, 7713730), (10, 6170984), (16, 3856865), (20, 3085492), (31, 1990640), (40, 1542746), (62, 995320), (80, 771373), (124, 497660), (149, 414160), (155, 398128), (167, 369520), (248, 248830), (298, 207080), (310, 199064), (334, 184760), (496, 124415), (596, 103540), (620, 99532), (668, 92380), (745, 82832), (835, 73904), (1192, 51770), (1240, 49766), (1336, 46190), (1490, 41416), (1670, 36952), (2384, 25885), (2480, 24883), (2672, 23095), (2980, 20708), (3340, 18476), (4619, 13360), (5177, 11920), (5960, 10354), (6680, 9238)]