1311200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 3515400

約数和(自身を除く): 2204200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 149, 160, 176, 200, 220, 275, 298, 352, 400, 440, 550, 596, 745, 800, 880, 1100, 1192, 1490, 1639, 1760, 2200, 2384, 2980, 3278, 3725, 4400, 4768, 5960, 6556, 7450, 8195, 8800, 11920, 13112, 14900, 16390, 23840, 26224, 29800, 32780, 40975, 52448, 59600, 65560, 81950, 119200, 131120, 163900, 262240, 327800, 655600, 1311200]

約数ペア:

[(1, 1311200), (2, 655600), (4, 327800), (5, 262240), (8, 163900), (10, 131120), (11, 119200), (16, 81950), (20, 65560), (22, 59600), (25, 52448), (32, 40975), (40, 32780), (44, 29800), (50, 26224), (55, 23840), (80, 16390), (88, 14900), (100, 13112), (110, 11920), (149, 8800), (160, 8195), (176, 7450), (200, 6556), (220, 5960), (275, 4768), (298, 4400), (352, 3725), (400, 3278), (440, 2980), (550, 2384), (596, 2200), (745, 1760), (800, 1639), (880, 1490), (1100, 1192)]