61408920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{811}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 184746240

約数和(自身を除く): 123337320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 631, 811, 1262, 1622, 1893, 2433, 2524, 3155, 3244, 3786, 4055, 4866, 5048, 6310, 6488, 7572, 8110, 9465, 9732, 12165, 12620, 15144, 16220, 18930, 19464, 24330, 25240, 32440, 37860, 48660, 75720, 97320, 511741, 1023482, 1535223, 2046964, 2558705, 3070446, 4093928, 5117410, 6140892, 7676115, 10234820, 12281784, 15352230, 20469640, 30704460, 61408920]

約数ペア:

[(1, 61408920), (2, 30704460), (3, 20469640), (4, 15352230), (5, 12281784), (6, 10234820), (8, 7676115), (10, 6140892), (12, 5117410), (15, 4093928), (20, 3070446), (24, 2558705), (30, 2046964), (40, 1535223), (60, 1023482), (120, 511741), (631, 97320), (811, 75720), (1262, 48660), (1622, 37860), (1893, 32440), (2433, 25240), (2524, 24330), (3155, 19464), (3244, 18930), (3786, 16220), (4055, 15144), (4866, 12620), (5048, 12165), (6310, 9732), (6488, 9465), (7572, 8110)]