28556910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 77837760

約数和(自身を除く): 49280850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 71, 82, 90, 109, 123, 142, 205, 213, 218, 246, 327, 355, 369, 410, 426, 545, 615, 639, 654, 710, 738, 981, 1065, 1090, 1230, 1278, 1635, 1845, 1962, 2130, 2911, 3195, 3270, 3690, 4469, 4905, 5822, 6390, 7739, 8733, 8938, 9810, 13407, 14555, 15478, 17466, 22345, 23217, 26199, 26814, 29110, 38695, 40221, 43665, 44690, 46434, 52398, 67035, 69651, 77390, 80442, 87330, 116085, 130995, 134070, 139302, 201105, 232170, 261990, 317299, 348255, 402210, 634598, 696510, 951897, 1586495, 1903794, 2855691, 3172990, 4759485, 5711382, 9518970, 14278455, 28556910]

約数ペア:

[(1, 28556910), (2, 14278455), (3, 9518970), (5, 5711382), (6, 4759485), (9, 3172990), (10, 2855691), (15, 1903794), (18, 1586495), (30, 951897), (41, 696510), (45, 634598), (71, 402210), (82, 348255), (90, 317299), (109, 261990), (123, 232170), (142, 201105), (205, 139302), (213, 134070), (218, 130995), (246, 116085), (327, 87330), (355, 80442), (369, 77390), (410, 69651), (426, 67035), (545, 52398), (615, 46434), (639, 44690), (654, 43665), (710, 40221), (738, 38695), (981, 29110), (1065, 26814), (1090, 26199), (1230, 23217), (1278, 22345), (1635, 17466), (1845, 15478), (1962, 14555), (2130, 13407), (2911, 9810), (3195, 8938), (3270, 8733), (3690, 7739), (4469, 6390), (4905, 5822)]