66511980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1657}}^1$

素因数の和:1895

約数の個数: 72

約数和(自身を含む): 202780032

約数和(自身を除く): 136268052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 1657, 2007, 2230, 2676, 3314, 3345, 4014, 4460, 4971, 6628, 6690, 8028, 8285, 9942, 10035, 13380, 14913, 16570, 19884, 20070, 24855, 29826, 33140, 40140, 49710, 59652, 74565, 99420, 149130, 298260, 369511, 739022, 1108533, 1478044, 1847555, 2217066, 3325599, 3695110, 4434132, 5542665, 6651198, 7390220, 11085330, 13302396, 16627995, 22170660, 33255990, 66511980]

約数ペア:

[(1, 66511980), (2, 33255990), (3, 22170660), (4, 16627995), (5, 13302396), (6, 11085330), (9, 7390220), (10, 6651198), (12, 5542665), (15, 4434132), (18, 3695110), (20, 3325599), (30, 2217066), (36, 1847555), (45, 1478044), (60, 1108533), (90, 739022), (180, 369511), (223, 298260), (446, 149130), (669, 99420), (892, 74565), (1115, 59652), (1338, 49710), (1657, 40140), (2007, 33140), (2230, 29826), (2676, 24855), (3314, 20070), (3345, 19884), (4014, 16570), (4460, 14913), (4971, 13380), (6628, 10035), (6690, 9942), (8028, 8285)]