312149720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{563}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 716325120

約数和(自身を除く): 404175400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 167, 332, 334, 415, 563, 664, 668, 830, 835, 1126, 1336, 1660, 1670, 2252, 2815, 3320, 3340, 4504, 5630, 6680, 11260, 13861, 22520, 27722, 46729, 55444, 69305, 93458, 94021, 110888, 138610, 186916, 188042, 233645, 277220, 373832, 376084, 467290, 470105, 554440, 752168, 934580, 940210, 1869160, 1880420, 3760840, 7803743, 15607486, 31214972, 39018715, 62429944, 78037430, 156074860, 312149720]

約数ペア:

[(1, 312149720), (2, 156074860), (4, 78037430), (5, 62429944), (8, 39018715), (10, 31214972), (20, 15607486), (40, 7803743), (83, 3760840), (166, 1880420), (167, 1869160), (332, 940210), (334, 934580), (415, 752168), (563, 554440), (664, 470105), (668, 467290), (830, 376084), (835, 373832), (1126, 277220), (1336, 233645), (1660, 188042), (1670, 186916), (2252, 138610), (2815, 110888), (3320, 94021), (3340, 93458), (4504, 69305), (5630, 55444), (6680, 46729), (11260, 27722), (13861, 22520)]