12489780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 36900864

約数和(自身を除く): 24411084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 47, 60, 86, 94, 103, 129, 141, 172, 188, 206, 215, 235, 258, 282, 309, 412, 430, 470, 515, 516, 564, 618, 645, 705, 860, 940, 1030, 1236, 1290, 1410, 1545, 2021, 2060, 2580, 2820, 3090, 4042, 4429, 4841, 6063, 6180, 8084, 8858, 9682, 10105, 12126, 13287, 14523, 17716, 19364, 20210, 22145, 24205, 24252, 26574, 29046, 30315, 40420, 44290, 48410, 53148, 58092, 60630, 66435, 72615, 88580, 96820, 121260, 132870, 145230, 208163, 265740, 290460, 416326, 624489, 832652, 1040815, 1248978, 2081630, 2497956, 3122445, 4163260, 6244890, 12489780]

約数ペア:

[(1, 12489780), (2, 6244890), (3, 4163260), (4, 3122445), (5, 2497956), (6, 2081630), (10, 1248978), (12, 1040815), (15, 832652), (20, 624489), (30, 416326), (43, 290460), (47, 265740), (60, 208163), (86, 145230), (94, 132870), (103, 121260), (129, 96820), (141, 88580), (172, 72615), (188, 66435), (206, 60630), (215, 58092), (235, 53148), (258, 48410), (282, 44290), (309, 40420), (412, 30315), (430, 29046), (470, 26574), (515, 24252), (516, 24205), (564, 22145), (618, 20210), (645, 19364), (705, 17716), (860, 14523), (940, 13287), (1030, 12126), (1236, 10105), (1290, 9682), (1410, 8858), (1545, 8084), (2021, 6180), (2060, 6063), (2580, 4841), (2820, 4429), (3090, 4042)]