31489360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 88420680

約数和(自身を除く): 56931320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 277, 280, 290, 392, 406, 464, 490, 554, 560, 580, 784, 812, 980, 1015, 1108, 1160, 1385, 1421, 1624, 1939, 1960, 2030, 2216, 2320, 2770, 2842, 3248, 3878, 3920, 4060, 4432, 5540, 5684, 7105, 7756, 8033, 8120, 9695, 11080, 11368, 13573, 14210, 15512, 16066, 16240, 19390, 22160, 22736, 27146, 28420, 31024, 32132, 38780, 40165, 54292, 56231, 56840, 64264, 67865, 77560, 80330, 108584, 112462, 113680, 128528, 135730, 155120, 160660, 217168, 224924, 271460, 281155, 321320, 393617, 449848, 542920, 562310, 642640, 787234, 899696, 1085840, 1124620, 1574468, 1968085, 2249240, 3148936, 3936170, 4498480, 6297872, 7872340, 15744680, 31489360]

約数ペア:

[(1, 31489360), (2, 15744680), (4, 7872340), (5, 6297872), (7, 4498480), (8, 3936170), (10, 3148936), (14, 2249240), (16, 1968085), (20, 1574468), (28, 1124620), (29, 1085840), (35, 899696), (40, 787234), (49, 642640), (56, 562310), (58, 542920), (70, 449848), (80, 393617), (98, 321320), (112, 281155), (116, 271460), (140, 224924), (145, 217168), (196, 160660), (203, 155120), (232, 135730), (245, 128528), (277, 113680), (280, 112462), (290, 108584), (392, 80330), (406, 77560), (464, 67865), (490, 64264), (554, 56840), (560, 56231), (580, 54292), (784, 40165), (812, 38780), (980, 32132), (1015, 31024), (1108, 28420), (1160, 27146), (1385, 22736), (1421, 22160), (1624, 19390), (1939, 16240), (1960, 16066), (2030, 15512), (2216, 14210), (2320, 13573), (2770, 11368), (2842, 11080), (3248, 9695), (3878, 8120), (3920, 8033), (4060, 7756), (4432, 7105), (5540, 5684)]