66601640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7673}}^1$

素因数の和:7722

約数の個数: 64

約数和(自身を含む): 176808960

約数和(自身を除く): 110207320

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, 7673, 8680, 15346, 30692, 38365, 53711, 61384, 76730, 107422, 153460, 214844, 237863, 268555, 306920, 429688, 475726, 537110, 951452, 1074220, 1189315, 1665041, 1902904, 2148440, 2378630, 3330082, 4757260, 6660164, 8325205, 9514520, 13320328, 16650410, 33300820, 66601640]

約数ペア:

[(1, 66601640), (2, 33300820), (4, 16650410), (5, 13320328), (7, 9514520), (8, 8325205), (10, 6660164), (14, 4757260), (20, 3330082), (28, 2378630), (31, 2148440), (35, 1902904), (40, 1665041), (56, 1189315), (62, 1074220), (70, 951452), (124, 537110), (140, 475726), (155, 429688), (217, 306920), (248, 268555), (280, 237863), (310, 214844), (434, 153460), (620, 107422), (868, 76730), (1085, 61384), (1240, 53711), (1736, 38365), (2170, 30692), (4340, 15346), (7673, 8680)]