66716520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42767}}^1$

素因数の和:42794

約数の個数: 64

約数和(自身を含む): 215550720

約数和(自身を除く): 148834200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 42767, 85534, 128301, 171068, 213835, 256602, 342136, 427670, 513204, 555971, 641505, 855340, 1026408, 1111942, 1283010, 1667913, 1710680, 2223884, 2566020, 2779855, 3335826, 4447768, 5132040, 5559710, 6671652, 8339565, 11119420, 13343304, 16679130, 22238840, 33358260, 66716520]

約数ペア:

[(1, 66716520), (2, 33358260), (3, 22238840), (4, 16679130), (5, 13343304), (6, 11119420), (8, 8339565), (10, 6671652), (12, 5559710), (13, 5132040), (15, 4447768), (20, 3335826), (24, 2779855), (26, 2566020), (30, 2223884), (39, 1710680), (40, 1667913), (52, 1283010), (60, 1111942), (65, 1026408), (78, 855340), (104, 641505), (120, 555971), (130, 513204), (156, 427670), (195, 342136), (260, 256602), (312, 213835), (390, 171068), (520, 128301), (780, 85534), (1560, 42767)]