7621140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 21651840

約数和(自身を除く): 14030700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1789, 2130, 3578, 4260, 5367, 7156, 8945, 10734, 17890, 21468, 26835, 35780, 53670, 107340, 127019, 254038, 381057, 508076, 635095, 762114, 1270190, 1524228, 1905285, 2540380, 3810570, 7621140]

約数ペア:

[(1, 7621140), (2, 3810570), (3, 2540380), (4, 1905285), (5, 1524228), (6, 1270190), (10, 762114), (12, 635095), (15, 508076), (20, 381057), (30, 254038), (60, 127019), (71, 107340), (142, 53670), (213, 35780), (284, 26835), (355, 21468), (426, 17890), (710, 10734), (852, 8945), (1065, 7156), (1420, 5367), (1789, 4260), (2130, 3578)]