740040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{881}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 2540160

約数和(自身を除く): 1800120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 881, 1762, 2643, 3524, 4405, 5286, 6167, 7048, 8810, 10572, 12334, 13215, 17620, 18501, 21144, 24668, 26430, 30835, 35240, 37002, 49336, 52860, 61670, 74004, 92505, 105720, 123340, 148008, 185010, 246680, 370020, 740040]

約数ペア:

[(1, 740040), (2, 370020), (3, 246680), (4, 185010), (5, 148008), (6, 123340), (7, 105720), (8, 92505), (10, 74004), (12, 61670), (14, 52860), (15, 49336), (20, 37002), (21, 35240), (24, 30835), (28, 26430), (30, 24668), (35, 21144), (40, 18501), (42, 17620), (56, 13215), (60, 12334), (70, 10572), (84, 8810), (105, 7048), (120, 6167), (140, 5286), (168, 4405), (210, 3524), (280, 2643), (420, 1762), (840, 881)]