256039740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129313}}^1$

素因数の和:129339

約数の個数: 72

約数和(自身を含む): 847265328

約数和(自身を除く): 591225588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 129313, 258626, 387939, 517252, 646565, 775878, 1163817, 1293130, 1422443, 1551756, 1939695, 2327634, 2586260, 2844886, 3879390, 4267329, 4655268, 5689772, 5819085, 7112215, 7758780, 8534658, 11638170, 12801987, 14224430, 17069316, 21336645, 23276340, 25603974, 28448860, 42673290, 51207948, 64009935, 85346580, 128019870, 256039740]

約数ペア:

[(1, 256039740), (2, 128019870), (3, 85346580), (4, 64009935), (5, 51207948), (6, 42673290), (9, 28448860), (10, 25603974), (11, 23276340), (12, 21336645), (15, 17069316), (18, 14224430), (20, 12801987), (22, 11638170), (30, 8534658), (33, 7758780), (36, 7112215), (44, 5819085), (45, 5689772), (55, 4655268), (60, 4267329), (66, 3879390), (90, 2844886), (99, 2586260), (110, 2327634), (132, 1939695), (165, 1551756), (180, 1422443), (198, 1293130), (220, 1163817), (330, 775878), (396, 646565), (495, 517252), (660, 387939), (990, 258626), (1980, 129313)]