15140040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1862

約数の個数: 64

約数和(自身を含む): 46085760

約数和(自身を除く): 30945720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 1777, 2130, 2840, 3554, 4260, 5331, 7108, 8520, 8885, 10662, 14216, 17770, 21324, 26655, 35540, 42648, 53310, 71080, 106620, 126167, 213240, 252334, 378501, 504668, 630835, 757002, 1009336, 1261670, 1514004, 1892505, 2523340, 3028008, 3785010, 5046680, 7570020, 15140040]

約数ペア:

[(1, 15140040), (2, 7570020), (3, 5046680), (4, 3785010), (5, 3028008), (6, 2523340), (8, 1892505), (10, 1514004), (12, 1261670), (15, 1009336), (20, 757002), (24, 630835), (30, 504668), (40, 378501), (60, 252334), (71, 213240), (120, 126167), (142, 106620), (213, 71080), (284, 53310), (355, 42648), (426, 35540), (568, 26655), (710, 21324), (852, 17770), (1065, 14216), (1420, 10662), (1704, 8885), (1777, 8520), (2130, 7108), (2840, 5331), (3554, 4260)]