1688460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 4790016

約数和(自身を除く): 3101556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 263, 321, 428, 526, 535, 642, 789, 1052, 1070, 1284, 1315, 1578, 1605, 2140, 2630, 3156, 3210, 3945, 5260, 6420, 7890, 15780, 28141, 56282, 84423, 112564, 140705, 168846, 281410, 337692, 422115, 562820, 844230, 1688460]

約数ペア:

[(1, 1688460), (2, 844230), (3, 562820), (4, 422115), (5, 337692), (6, 281410), (10, 168846), (12, 140705), (15, 112564), (20, 84423), (30, 56282), (60, 28141), (107, 15780), (214, 7890), (263, 6420), (321, 5260), (428, 3945), (526, 3210), (535, 3156), (642, 2630), (789, 2140), (1052, 1605), (1070, 1578), (1284, 1315)]