13320540

素因数分解:

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

素因数の和:1779

約数の個数: 72

約数和(自身を含む): 41369328

約数和(自身を除く): 28048788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1721, 1935, 2580, 3442, 3870, 5163, 6884, 7740, 8605, 10326, 15489, 17210, 20652, 25815, 30978, 34420, 51630, 61956, 74003, 77445, 103260, 148006, 154890, 222009, 296012, 309780, 370015, 444018, 666027, 740030, 888036, 1110045, 1332054, 1480060, 2220090, 2664108, 3330135, 4440180, 6660270, 13320540]

約数ペア:

[(1, 13320540), (2, 6660270), (3, 4440180), (4, 3330135), (5, 2664108), (6, 2220090), (9, 1480060), (10, 1332054), (12, 1110045), (15, 888036), (18, 740030), (20, 666027), (30, 444018), (36, 370015), (43, 309780), (45, 296012), (60, 222009), (86, 154890), (90, 148006), (129, 103260), (172, 77445), (180, 74003), (215, 61956), (258, 51630), (387, 34420), (430, 30978), (516, 25815), (645, 20652), (774, 17210), (860, 15489), (1290, 10326), (1548, 8605), (1721, 7740), (1935, 6884), (2580, 5163), (3442, 3870)]