209424720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21283}}^1$

素因数の和:21340

約数の個数: 80

約数和(自身を含む): 665082432

約数和(自身を除く): 455657712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 21283, 42566, 63849, 85132, 106415, 127698, 170264, 212830, 255396, 319245, 340528, 425660, 510792, 638490, 851320, 872603, 1021584, 1276980, 1702640, 1745206, 2553960, 2617809, 3490412, 4363015, 5107920, 5235618, 6980824, 8726030, 10471236, 13089045, 13961648, 17452060, 20942472, 26178090, 34904120, 41884944, 52356180, 69808240, 104712360, 209424720]

約数ペア:

[(1, 209424720), (2, 104712360), (3, 69808240), (4, 52356180), (5, 41884944), (6, 34904120), (8, 26178090), (10, 20942472), (12, 17452060), (15, 13961648), (16, 13089045), (20, 10471236), (24, 8726030), (30, 6980824), (40, 5235618), (41, 5107920), (48, 4363015), (60, 3490412), (80, 2617809), (82, 2553960), (120, 1745206), (123, 1702640), (164, 1276980), (205, 1021584), (240, 872603), (246, 851320), (328, 638490), (410, 510792), (492, 425660), (615, 340528), (656, 319245), (820, 255396), (984, 212830), (1230, 170264), (1640, 127698), (1968, 106415), (2460, 85132), (3280, 63849), (4920, 42566), (9840, 21283)]