66664560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3121}}^1$

素因数の和:3226

約数の個数: 80

約数和(自身を含む): 209049120

約数和(自身を除く): 142384560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3121, 3560, 4272, 5340, 6242, 7120, 9363, 10680, 12484, 15605, 18726, 21360, 24968, 31210, 37452, 46815, 49936, 62420, 74904, 93630, 124840, 149808, 187260, 249680, 277769, 374520, 555538, 749040, 833307, 1111076, 1388845, 1666614, 2222152, 2777690, 3333228, 4166535, 4444304, 5555380, 6666456, 8333070, 11110760, 13332912, 16666140, 22221520, 33332280, 66664560]

約数ペア:

[(1, 66664560), (2, 33332280), (3, 22221520), (4, 16666140), (5, 13332912), (6, 11110760), (8, 8333070), (10, 6666456), (12, 5555380), (15, 4444304), (16, 4166535), (20, 3333228), (24, 2777690), (30, 2222152), (40, 1666614), (48, 1388845), (60, 1111076), (80, 833307), (89, 749040), (120, 555538), (178, 374520), (240, 277769), (267, 249680), (356, 187260), (445, 149808), (534, 124840), (712, 93630), (890, 74904), (1068, 62420), (1335, 49936), (1424, 46815), (1780, 37452), (2136, 31210), (2670, 24968), (3121, 21360), (3560, 18726), (4272, 15605), (5340, 12484), (6242, 10680), (7120, 9363)]