16520040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 54311400

約数和(自身を除く): 37791360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 421, 436, 545, 654, 842, 872, 981, 1090, 1263, 1308, 1635, 1684, 1962, 2105, 2180, 2526, 2616, 3270, 3368, 3789, 3924, 4210, 4360, 4905, 5052, 6315, 6540, 7578, 7848, 8420, 9810, 10104, 12630, 13080, 15156, 16840, 18945, 19620, 25260, 30312, 37890, 39240, 45889, 50520, 75780, 91778, 137667, 151560, 183556, 229445, 275334, 367112, 413001, 458890, 550668, 688335, 826002, 917780, 1101336, 1376670, 1652004, 1835560, 2065005, 2753340, 3304008, 4130010, 5506680, 8260020, 16520040]

約数ペア:

[(1, 16520040), (2, 8260020), (3, 5506680), (4, 4130010), (5, 3304008), (6, 2753340), (8, 2065005), (9, 1835560), (10, 1652004), (12, 1376670), (15, 1101336), (18, 917780), (20, 826002), (24, 688335), (30, 550668), (36, 458890), (40, 413001), (45, 367112), (60, 275334), (72, 229445), (90, 183556), (109, 151560), (120, 137667), (180, 91778), (218, 75780), (327, 50520), (360, 45889), (421, 39240), (436, 37890), (545, 30312), (654, 25260), (842, 19620), (872, 18945), (981, 16840), (1090, 15156), (1263, 13080), (1308, 12630), (1635, 10104), (1684, 9810), (1962, 8420), (2105, 7848), (2180, 7578), (2526, 6540), (2616, 6315), (3270, 5052), (3368, 4905), (3789, 4360), (3924, 4210)]