25564440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 84913920

約数和(自身を除く): 59349480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 107, 110, 120, 132, 165, 181, 214, 220, 264, 321, 330, 362, 428, 440, 535, 543, 642, 660, 724, 856, 905, 1070, 1086, 1177, 1284, 1320, 1448, 1605, 1810, 1991, 2140, 2172, 2354, 2568, 2715, 3210, 3531, 3620, 3982, 4280, 4344, 4708, 5430, 5885, 5973, 6420, 7062, 7240, 7964, 9416, 9955, 10860, 11770, 11946, 12840, 14124, 15928, 17655, 19367, 19910, 21720, 23540, 23892, 28248, 29865, 35310, 38734, 39820, 47080, 47784, 58101, 59730, 70620, 77468, 79640, 96835, 116202, 119460, 141240, 154936, 193670, 213037, 232404, 238920, 290505, 387340, 426074, 464808, 581010, 639111, 774680, 852148, 1065185, 1162020, 1278222, 1704296, 2130370, 2324040, 2556444, 3195555, 4260740, 5112888, 6391110, 8521480, 12782220, 25564440]

約数ペア:

[(1, 25564440), (2, 12782220), (3, 8521480), (4, 6391110), (5, 5112888), (6, 4260740), (8, 3195555), (10, 2556444), (11, 2324040), (12, 2130370), (15, 1704296), (20, 1278222), (22, 1162020), (24, 1065185), (30, 852148), (33, 774680), (40, 639111), (44, 581010), (55, 464808), (60, 426074), (66, 387340), (88, 290505), (107, 238920), (110, 232404), (120, 213037), (132, 193670), (165, 154936), (181, 141240), (214, 119460), (220, 116202), (264, 96835), (321, 79640), (330, 77468), (362, 70620), (428, 59730), (440, 58101), (535, 47784), (543, 47080), (642, 39820), (660, 38734), (724, 35310), (856, 29865), (905, 28248), (1070, 23892), (1086, 23540), (1177, 21720), (1284, 19910), (1320, 19367), (1448, 17655), (1605, 15928), (1810, 14124), (1991, 12840), (2140, 11946), (2172, 11770), (2354, 10860), (2568, 9955), (2715, 9416), (3210, 7964), (3531, 7240), (3620, 7062), (3982, 6420), (4280, 5973), (4344, 5885), (4708, 5430)]