15020040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17881}}^1$

素因数の和:17902

約数の個数: 64

約数和(自身を含む): 51500160

約数和(自身を除く): 36480120

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, 17881, 35762, 53643, 71524, 89405, 107286, 125167, 143048, 178810, 214572, 250334, 268215, 357620, 375501, 429144, 500668, 536430, 625835, 715240, 751002, 1001336, 1072860, 1251670, 1502004, 1877505, 2145720, 2503340, 3004008, 3755010, 5006680, 7510020, 15020040]

約数ペア:

[(1, 15020040), (2, 7510020), (3, 5006680), (4, 3755010), (5, 3004008), (6, 2503340), (7, 2145720), (8, 1877505), (10, 1502004), (12, 1251670), (14, 1072860), (15, 1001336), (20, 751002), (21, 715240), (24, 625835), (28, 536430), (30, 500668), (35, 429144), (40, 375501), (42, 357620), (56, 268215), (60, 250334), (70, 214572), (84, 178810), (105, 143048), (120, 125167), (140, 107286), (168, 89405), (210, 71524), (280, 53643), (420, 35762), (840, 17881)]