28320780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1489}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 79601760

約数和(自身を除く): 51280980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1268, 1489, 1585, 1902, 2978, 3170, 3804, 4467, 4755, 5956, 6340, 7445, 8934, 9510, 14890, 17868, 19020, 22335, 29780, 44670, 89340, 472013, 944026, 1416039, 1888052, 2360065, 2832078, 4720130, 5664156, 7080195, 9440260, 14160390, 28320780]

約数ペア:

[(1, 28320780), (2, 14160390), (3, 9440260), (4, 7080195), (5, 5664156), (6, 4720130), (10, 2832078), (12, 2360065), (15, 1888052), (20, 1416039), (30, 944026), (60, 472013), (317, 89340), (634, 44670), (951, 29780), (1268, 22335), (1489, 19020), (1585, 17868), (1902, 14890), (2978, 9510), (3170, 8934), (3804, 7445), (4467, 6340), (4755, 5956)]