71880660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1657}}^1$

素因数の和:1913

約数の個数: 72

約数和(自身を含む): 219074856

約数和(自身を除く): 147194196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 1657, 2169, 2410, 2892, 3314, 3615, 4338, 4820, 4971, 6628, 7230, 8285, 8676, 9942, 10845, 14460, 14913, 16570, 19884, 21690, 24855, 29826, 33140, 43380, 49710, 59652, 74565, 99420, 149130, 298260, 399337, 798674, 1198011, 1597348, 1996685, 2396022, 3594033, 3993370, 4792044, 5990055, 7188066, 7986740, 11980110, 14376132, 17970165, 23960220, 35940330, 71880660]

約数ペア:

[(1, 71880660), (2, 35940330), (3, 23960220), (4, 17970165), (5, 14376132), (6, 11980110), (9, 7986740), (10, 7188066), (12, 5990055), (15, 4792044), (18, 3993370), (20, 3594033), (30, 2396022), (36, 1996685), (45, 1597348), (60, 1198011), (90, 798674), (180, 399337), (241, 298260), (482, 149130), (723, 99420), (964, 74565), (1205, 59652), (1446, 49710), (1657, 43380), (2169, 33140), (2410, 29826), (2892, 24855), (3314, 21690), (3615, 19884), (4338, 16570), (4820, 14913), (4971, 14460), (6628, 10845), (7230, 9942), (8285, 8676)]