28125720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11161}}^1$

素因数の和:11185

約数の個数: 96

約数和(自身を含む): 104476320

約数和(自身を除く): 76350600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 11161, 22322, 33483, 44644, 55805, 66966, 78127, 89288, 100449, 111610, 133932, 156254, 167415, 200898, 223220, 234381, 267864, 312508, 334830, 390635, 401796, 446440, 468762, 502245, 625016, 669660, 703143, 781270, 803592, 937524, 1004490, 1171905, 1339320, 1406286, 1562540, 1875048, 2008980, 2343810, 2812572, 3125080, 3515715, 4017960, 4687620, 5625144, 7031430, 9375240, 14062860, 28125720]

約数ペア:

[(1, 28125720), (2, 14062860), (3, 9375240), (4, 7031430), (5, 5625144), (6, 4687620), (7, 4017960), (8, 3515715), (9, 3125080), (10, 2812572), (12, 2343810), (14, 2008980), (15, 1875048), (18, 1562540), (20, 1406286), (21, 1339320), (24, 1171905), (28, 1004490), (30, 937524), (35, 803592), (36, 781270), (40, 703143), (42, 669660), (45, 625016), (56, 502245), (60, 468762), (63, 446440), (70, 401796), (72, 390635), (84, 334830), (90, 312508), (105, 267864), (120, 234381), (126, 223220), (140, 200898), (168, 167415), (180, 156254), (210, 133932), (252, 111610), (280, 100449), (315, 89288), (360, 78127), (420, 66966), (504, 55805), (630, 44644), (840, 33483), (1260, 22322), (2520, 11161)]