1563420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 4451328

約数和(自身を除く): 2887908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 367, 426, 710, 734, 852, 1065, 1101, 1420, 1468, 1835, 2130, 2202, 3670, 4260, 4404, 5505, 7340, 11010, 22020, 26057, 52114, 78171, 104228, 130285, 156342, 260570, 312684, 390855, 521140, 781710, 1563420]

約数ペア:

[(1, 1563420), (2, 781710), (3, 521140), (4, 390855), (5, 312684), (6, 260570), (10, 156342), (12, 130285), (15, 104228), (20, 78171), (30, 52114), (60, 26057), (71, 22020), (142, 11010), (213, 7340), (284, 5505), (355, 4404), (367, 4260), (426, 3670), (710, 2202), (734, 2130), (852, 1835), (1065, 1468), (1101, 1420)]