42480280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 102060000

約数和(自身を除く): 59579720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 340, 349, 358, 680, 698, 716, 895, 1396, 1432, 1745, 1790, 2792, 3043, 3490, 3580, 5933, 6086, 6980, 7160, 11866, 12172, 13960, 15215, 23732, 24344, 29665, 30430, 47464, 59330, 60860, 62471, 118660, 121720, 124942, 237320, 249884, 312355, 499768, 624710, 1062007, 1249420, 2124014, 2498840, 4248028, 5310035, 8496056, 10620070, 21240140, 42480280]

約数ペア:

[(1, 42480280), (2, 21240140), (4, 10620070), (5, 8496056), (8, 5310035), (10, 4248028), (17, 2498840), (20, 2124014), (34, 1249420), (40, 1062007), (68, 624710), (85, 499768), (136, 312355), (170, 249884), (179, 237320), (340, 124942), (349, 121720), (358, 118660), (680, 62471), (698, 60860), (716, 59330), (895, 47464), (1396, 30430), (1432, 29665), (1745, 24344), (1790, 23732), (2792, 15215), (3043, 13960), (3490, 12172), (3580, 11866), (5933, 7160), (6086, 6980)]