7457130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 12760470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 389, 426, 639, 710, 778, 1065, 1167, 1278, 1917, 1945, 2130, 2334, 3195, 3501, 3834, 3890, 5835, 6390, 7002, 9585, 10503, 11670, 17505, 19170, 21006, 27619, 35010, 52515, 55238, 82857, 105030, 138095, 165714, 248571, 276190, 414285, 497142, 745713, 828570, 1242855, 1491426, 2485710, 3728565, 7457130]

約数ペア:

[(1, 7457130), (2, 3728565), (3, 2485710), (5, 1491426), (6, 1242855), (9, 828570), (10, 745713), (15, 497142), (18, 414285), (27, 276190), (30, 248571), (45, 165714), (54, 138095), (71, 105030), (90, 82857), (135, 55238), (142, 52515), (213, 35010), (270, 27619), (355, 21006), (389, 19170), (426, 17505), (639, 11670), (710, 10503), (778, 9585), (1065, 7002), (1167, 6390), (1278, 5835), (1917, 3890), (1945, 3834), (2130, 3501), (2334, 3195)]