123509280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{257311}}^1$

素因数の和:257329

約数の個数: 48

約数和(自身を含む): 389055744

約数和(自身を除く): 265546464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 257311, 514622, 771933, 1029244, 1286555, 1543866, 2058488, 2573110, 3087732, 3859665, 4116976, 5146220, 6175464, 7719330, 8233952, 10292440, 12350928, 15438660, 20584880, 24701856, 30877320, 41169760, 61754640, 123509280]

約数ペア:

[(1, 123509280), (2, 61754640), (3, 41169760), (4, 30877320), (5, 24701856), (6, 20584880), (8, 15438660), (10, 12350928), (12, 10292440), (15, 8233952), (16, 7719330), (20, 6175464), (24, 5146220), (30, 4116976), (32, 3859665), (40, 3087732), (48, 2573110), (60, 2058488), (80, 1543866), (96, 1286555), (120, 1029244), (160, 771933), (240, 514622), (480, 257311)]