66566920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7669}}^1$

素因数の和:7718

約数の個数: 64

約数和(自身を含む): 176716800

約数和(自身を除く): 110149880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 7669, 8680, 15338, 30676, 38345, 53683, 61352, 76690, 107366, 153380, 214732, 237739, 268415, 306760, 429464, 475478, 536830, 950956, 1073660, 1188695, 1664173, 1901912, 2147320, 2377390, 3328346, 4754780, 6656692, 8320865, 9509560, 13313384, 16641730, 33283460, 66566920]

約数ペア:

[(1, 66566920), (2, 33283460), (4, 16641730), (5, 13313384), (7, 9509560), (8, 8320865), (10, 6656692), (14, 4754780), (20, 3328346), (28, 2377390), (31, 2147320), (35, 1901912), (40, 1664173), (56, 1188695), (62, 1073660), (70, 950956), (124, 536830), (140, 475478), (155, 429464), (217, 306760), (248, 268415), (280, 237739), (310, 214732), (434, 153380), (620, 107366), (868, 76690), (1085, 61352), (1240, 53683), (1736, 38345), (2170, 30676), (4340, 15338), (7669, 8680)]