31490520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9049}}^1$

素因数の和:9092

約数の個数: 64

約数和(自身を含む): 97740000

約数和(自身を除く): 66249480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 9049, 18098, 27147, 36196, 45245, 54294, 72392, 90490, 108588, 135735, 180980, 217176, 262421, 271470, 361960, 524842, 542940, 787263, 1049684, 1085880, 1312105, 1574526, 2099368, 2624210, 3149052, 3936315, 5248420, 6298104, 7872630, 10496840, 15745260, 31490520]

約数ペア:

[(1, 31490520), (2, 15745260), (3, 10496840), (4, 7872630), (5, 6298104), (6, 5248420), (8, 3936315), (10, 3149052), (12, 2624210), (15, 2099368), (20, 1574526), (24, 1312105), (29, 1085880), (30, 1049684), (40, 787263), (58, 542940), (60, 524842), (87, 361960), (116, 271470), (120, 262421), (145, 217176), (174, 180980), (232, 135735), (290, 108588), (348, 90490), (435, 72392), (580, 54294), (696, 45245), (870, 36196), (1160, 27147), (1740, 18098), (3480, 9049)]