291238680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{23563}}^1$

素因数の和:23680

約数の個数: 64

約数和(自身を含む): 882236160

約数和(自身を除く): 590997480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 23563, 47126, 70689, 94252, 117815, 141378, 188504, 235630, 282756, 353445, 471260, 565512, 706890, 942520, 1413780, 2426989, 2827560, 4853978, 7280967, 9707956, 12134945, 14561934, 19415912, 24269890, 29123868, 36404835, 48539780, 58247736, 72809670, 97079560, 145619340, 291238680]

約数ペア:

[(1, 291238680), (2, 145619340), (3, 97079560), (4, 72809670), (5, 58247736), (6, 48539780), (8, 36404835), (10, 29123868), (12, 24269890), (15, 19415912), (20, 14561934), (24, 12134945), (30, 9707956), (40, 7280967), (60, 4853978), (103, 2827560), (120, 2426989), (206, 1413780), (309, 942520), (412, 706890), (515, 565512), (618, 471260), (824, 353445), (1030, 282756), (1236, 235630), (1545, 188504), (2060, 141378), (2472, 117815), (3090, 94252), (4120, 70689), (6180, 47126), (12360, 23563)]