1257840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1747}}^1$

素因数の和:1766

約数の個数: 60

約数和(自身を含む): 4226664

約数和(自身を除く): 2968824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1747, 3494, 5241, 6988, 8735, 10482, 13976, 15723, 17470, 20964, 26205, 27952, 31446, 34940, 41928, 52410, 62892, 69880, 78615, 83856, 104820, 125784, 139760, 157230, 209640, 251568, 314460, 419280, 628920, 1257840]

約数ペア:

[(1, 1257840), (2, 628920), (3, 419280), (4, 314460), (5, 251568), (6, 209640), (8, 157230), (9, 139760), (10, 125784), (12, 104820), (15, 83856), (16, 78615), (18, 69880), (20, 62892), (24, 52410), (30, 41928), (36, 34940), (40, 31446), (45, 27952), (48, 26205), (60, 20964), (72, 17470), (80, 15723), (90, 13976), (120, 10482), (144, 8735), (180, 6988), (240, 5241), (360, 3494), (720, 1747)]