16280040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19381}}^1$

素因数の和:19402

約数の個数: 64

約数和(自身を含む): 55820160

約数和(自身を除く): 39540120

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, 19381, 38762, 58143, 77524, 96905, 116286, 135667, 155048, 193810, 232572, 271334, 290715, 387620, 407001, 465144, 542668, 581430, 678335, 775240, 814002, 1085336, 1162860, 1356670, 1628004, 2035005, 2325720, 2713340, 3256008, 4070010, 5426680, 8140020, 16280040]

約数ペア:

[(1, 16280040), (2, 8140020), (3, 5426680), (4, 4070010), (5, 3256008), (6, 2713340), (7, 2325720), (8, 2035005), (10, 1628004), (12, 1356670), (14, 1162860), (15, 1085336), (20, 814002), (21, 775240), (24, 678335), (28, 581430), (30, 542668), (35, 465144), (40, 407001), (42, 387620), (56, 290715), (60, 271334), (70, 232572), (84, 193810), (105, 155048), (120, 135667), (140, 116286), (168, 96905), (210, 77524), (280, 58143), (420, 38762), (840, 19381)]