13005780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 37795296

約数和(自身を除く): 24789516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 71, 86, 129, 142, 172, 213, 215, 258, 284, 355, 426, 430, 516, 645, 710, 852, 860, 1065, 1290, 1420, 2130, 2580, 3053, 4260, 5041, 6106, 9159, 10082, 12212, 15123, 15265, 18318, 20164, 25205, 30246, 30530, 36636, 45795, 50410, 60492, 61060, 75615, 91590, 100820, 151230, 183180, 216763, 302460, 433526, 650289, 867052, 1083815, 1300578, 2167630, 2601156, 3251445, 4335260, 6502890, 13005780]

約数ペア:

[(1, 13005780), (2, 6502890), (3, 4335260), (4, 3251445), (5, 2601156), (6, 2167630), (10, 1300578), (12, 1083815), (15, 867052), (20, 650289), (30, 433526), (43, 302460), (60, 216763), (71, 183180), (86, 151230), (129, 100820), (142, 91590), (172, 75615), (213, 61060), (215, 60492), (258, 50410), (284, 45795), (355, 36636), (426, 30530), (430, 30246), (516, 25205), (645, 20164), (710, 18318), (852, 15265), (860, 15123), (1065, 12212), (1290, 10082), (1420, 9159), (2130, 6106), (2580, 5041), (3053, 4260)]