31081260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1783

約数の個数: 96

約数和(自身を含む): 101832192

約数和(自身を除く): 70750932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1721, 1806, 2580, 3010, 3442, 3612, 4515, 5163, 6020, 6884, 8605, 9030, 10326, 12047, 17210, 18060, 20652, 24094, 25815, 34420, 36141, 48188, 51630, 60235, 72282, 74003, 103260, 120470, 144564, 148006, 180705, 222009, 240940, 296012, 361410, 370015, 444018, 518021, 722820, 740030, 888036, 1036042, 1110045, 1480060, 1554063, 2072084, 2220090, 2590105, 3108126, 4440180, 5180210, 6216252, 7770315, 10360420, 15540630, 31081260]

約数ペア:

[(1, 31081260), (2, 15540630), (3, 10360420), (4, 7770315), (5, 6216252), (6, 5180210), (7, 4440180), (10, 3108126), (12, 2590105), (14, 2220090), (15, 2072084), (20, 1554063), (21, 1480060), (28, 1110045), (30, 1036042), (35, 888036), (42, 740030), (43, 722820), (60, 518021), (70, 444018), (84, 370015), (86, 361410), (105, 296012), (129, 240940), (140, 222009), (172, 180705), (210, 148006), (215, 144564), (258, 120470), (301, 103260), (420, 74003), (430, 72282), (516, 60235), (602, 51630), (645, 48188), (860, 36141), (903, 34420), (1204, 25815), (1290, 24094), (1505, 20652), (1721, 18060), (1806, 17210), (2580, 12047), (3010, 10326), (3442, 9030), (3612, 8605), (4515, 6884), (5163, 6020)]