7639440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 23956800

約数和(自身を除く): 16317360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 229, 240, 278, 417, 458, 556, 687, 695, 834, 916, 1112, 1145, 1374, 1390, 1668, 1832, 2085, 2224, 2290, 2748, 2780, 3336, 3435, 3664, 4170, 4580, 5496, 5560, 6672, 6870, 8340, 9160, 10992, 11120, 13740, 16680, 18320, 27480, 31831, 33360, 54960, 63662, 95493, 127324, 159155, 190986, 254648, 318310, 381972, 477465, 509296, 636620, 763944, 954930, 1273240, 1527888, 1909860, 2546480, 3819720, 7639440]

約数ペア:

[(1, 7639440), (2, 3819720), (3, 2546480), (4, 1909860), (5, 1527888), (6, 1273240), (8, 954930), (10, 763944), (12, 636620), (15, 509296), (16, 477465), (20, 381972), (24, 318310), (30, 254648), (40, 190986), (48, 159155), (60, 127324), (80, 95493), (120, 63662), (139, 54960), (229, 33360), (240, 31831), (278, 27480), (417, 18320), (458, 16680), (556, 13740), (687, 11120), (695, 10992), (834, 9160), (916, 8340), (1112, 6870), (1145, 6672), (1374, 5560), (1390, 5496), (1668, 4580), (1832, 4170), (2085, 3664), (2224, 3435), (2290, 3336), (2748, 2780)]