1818900

素因数分解:

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

素因数の和:110

約数の個数: 108

約数和(自身を含む): 5957952

約数和(自身を除く): 4139052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 47, 50, 60, 75, 86, 90, 94, 100, 129, 141, 150, 172, 180, 188, 215, 225, 235, 258, 282, 300, 387, 423, 430, 450, 470, 516, 564, 645, 705, 774, 846, 860, 900, 940, 1075, 1175, 1290, 1410, 1548, 1692, 1935, 2021, 2115, 2150, 2350, 2580, 2820, 3225, 3525, 3870, 4042, 4230, 4300, 4700, 6063, 6450, 7050, 7740, 8084, 8460, 9675, 10105, 10575, 12126, 12900, 14100, 18189, 19350, 20210, 21150, 24252, 30315, 36378, 38700, 40420, 42300, 50525, 60630, 72756, 90945, 101050, 121260, 151575, 181890, 202100, 303150, 363780, 454725, 606300, 909450, 1818900]

約数ペア:

[(1, 1818900), (2, 909450), (3, 606300), (4, 454725), (5, 363780), (6, 303150), (9, 202100), (10, 181890), (12, 151575), (15, 121260), (18, 101050), (20, 90945), (25, 72756), (30, 60630), (36, 50525), (43, 42300), (45, 40420), (47, 38700), (50, 36378), (60, 30315), (75, 24252), (86, 21150), (90, 20210), (94, 19350), (100, 18189), (129, 14100), (141, 12900), (150, 12126), (172, 10575), (180, 10105), (188, 9675), (215, 8460), (225, 8084), (235, 7740), (258, 7050), (282, 6450), (300, 6063), (387, 4700), (423, 4300), (430, 4230), (450, 4042), (470, 3870), (516, 3525), (564, 3225), (645, 2820), (705, 2580), (774, 2350), (846, 2150), (860, 2115), (900, 2021), (940, 1935), (1075, 1692), (1175, 1548), (1290, 1410)]