28204680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33577}}^1$

素因数の和:33598

約数の個数: 64

約数和(自身を含む): 96704640

約数和(自身を除く): 68499960

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, 33577, 67154, 100731, 134308, 167885, 201462, 235039, 268616, 335770, 402924, 470078, 503655, 671540, 705117, 805848, 940156, 1007310, 1175195, 1343080, 1410234, 1880312, 2014620, 2350390, 2820468, 3525585, 4029240, 4700780, 5640936, 7051170, 9401560, 14102340, 28204680]

約数ペア:

[(1, 28204680), (2, 14102340), (3, 9401560), (4, 7051170), (5, 5640936), (6, 4700780), (7, 4029240), (8, 3525585), (10, 2820468), (12, 2350390), (14, 2014620), (15, 1880312), (20, 1410234), (21, 1343080), (24, 1175195), (28, 1007310), (30, 940156), (35, 805848), (40, 705117), (42, 671540), (56, 503655), (60, 470078), (70, 402924), (84, 335770), (105, 268616), (120, 235039), (140, 201462), (168, 167885), (210, 134308), (280, 100731), (420, 67154), (840, 33577)]