2680020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{709}}^1$

素因数の和:734

約数の個数: 96

約数和(自身を含む): 9542400

約数和(自身を除く): 6862380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 709, 756, 945, 1260, 1418, 1890, 2127, 2836, 3545, 3780, 4254, 4963, 6381, 7090, 8508, 9926, 10635, 12762, 14180, 14889, 19143, 19852, 21270, 24815, 25524, 29778, 31905, 38286, 42540, 44667, 49630, 59556, 63810, 74445, 76572, 89334, 95715, 99260, 127620, 134001, 148890, 178668, 191430, 223335, 268002, 297780, 382860, 446670, 536004, 670005, 893340, 1340010, 2680020]

約数ペア:

[(1, 2680020), (2, 1340010), (3, 893340), (4, 670005), (5, 536004), (6, 446670), (7, 382860), (9, 297780), (10, 268002), (12, 223335), (14, 191430), (15, 178668), (18, 148890), (20, 134001), (21, 127620), (27, 99260), (28, 95715), (30, 89334), (35, 76572), (36, 74445), (42, 63810), (45, 59556), (54, 49630), (60, 44667), (63, 42540), (70, 38286), (84, 31905), (90, 29778), (105, 25524), (108, 24815), (126, 21270), (135, 19852), (140, 19143), (180, 14889), (189, 14180), (210, 12762), (252, 10635), (270, 9926), (315, 8508), (378, 7090), (420, 6381), (540, 4963), (630, 4254), (709, 3780), (756, 3545), (945, 2836), (1260, 2127), (1418, 1890)]