17218920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 37524120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 47, 60, 71, 86, 94, 120, 129, 141, 142, 172, 188, 213, 215, 235, 258, 282, 284, 344, 355, 376, 426, 430, 470, 516, 564, 568, 645, 705, 710, 852, 860, 940, 1032, 1065, 1128, 1290, 1410, 1420, 1704, 1720, 1880, 2021, 2130, 2580, 2820, 2840, 3053, 3337, 4042, 4260, 5160, 5640, 6063, 6106, 6674, 8084, 8520, 9159, 10011, 10105, 12126, 12212, 13348, 15265, 16168, 16685, 18318, 20022, 20210, 24252, 24424, 26696, 30315, 30530, 33370, 36636, 40044, 40420, 45795, 48504, 50055, 60630, 61060, 66740, 73272, 80088, 80840, 91590, 100110, 121260, 122120, 133480, 143491, 183180, 200220, 242520, 286982, 366360, 400440, 430473, 573964, 717455, 860946, 1147928, 1434910, 1721892, 2152365, 2869820, 3443784, 4304730, 5739640, 8609460, 17218920]

約数ペア:

[(1, 17218920), (2, 8609460), (3, 5739640), (4, 4304730), (5, 3443784), (6, 2869820), (8, 2152365), (10, 1721892), (12, 1434910), (15, 1147928), (20, 860946), (24, 717455), (30, 573964), (40, 430473), (43, 400440), (47, 366360), (60, 286982), (71, 242520), (86, 200220), (94, 183180), (120, 143491), (129, 133480), (141, 122120), (142, 121260), (172, 100110), (188, 91590), (213, 80840), (215, 80088), (235, 73272), (258, 66740), (282, 61060), (284, 60630), (344, 50055), (355, 48504), (376, 45795), (426, 40420), (430, 40044), (470, 36636), (516, 33370), (564, 30530), (568, 30315), (645, 26696), (705, 24424), (710, 24252), (852, 20210), (860, 20022), (940, 18318), (1032, 16685), (1065, 16168), (1128, 15265), (1290, 13348), (1410, 12212), (1420, 12126), (1704, 10105), (1720, 10011), (1880, 9159), (2021, 8520), (2130, 8084), (2580, 6674), (2820, 6106), (2840, 6063), (3053, 5640), (3337, 5160), (4042, 4260)]