67286640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{571}}^1$

素因数の和:1078

約数の個数: 80

約数和(自身を含む): 209379456

約数和(自身を除く): 142092816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 571, 982, 1142, 1473, 1713, 1964, 2284, 2455, 2855, 2946, 3426, 3928, 4568, 4910, 5710, 5892, 6852, 7365, 7856, 8565, 9136, 9820, 11420, 11784, 13704, 14730, 17130, 19640, 22840, 23568, 27408, 29460, 34260, 39280, 45680, 58920, 68520, 117840, 137040, 280361, 560722, 841083, 1121444, 1401805, 1682166, 2242888, 2803610, 3364332, 4205415, 4485776, 5607220, 6728664, 8410830, 11214440, 13457328, 16821660, 22428880, 33643320, 67286640]

約数ペア:

[(1, 67286640), (2, 33643320), (3, 22428880), (4, 16821660), (5, 13457328), (6, 11214440), (8, 8410830), (10, 6728664), (12, 5607220), (15, 4485776), (16, 4205415), (20, 3364332), (24, 2803610), (30, 2242888), (40, 1682166), (48, 1401805), (60, 1121444), (80, 841083), (120, 560722), (240, 280361), (491, 137040), (571, 117840), (982, 68520), (1142, 58920), (1473, 45680), (1713, 39280), (1964, 34260), (2284, 29460), (2455, 27408), (2855, 23568), (2946, 22840), (3426, 19640), (3928, 17130), (4568, 14730), (4910, 13704), (5710, 11784), (5892, 11420), (6852, 9820), (7365, 9136), (7856, 8565)]