1649874320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{2239}}^1$

素因数の和:2464

約数の個数: 80

約数和(自身を含む): 3926415360

約数和(自身を除く): 2276541040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 151, 244, 302, 305, 488, 604, 610, 755, 976, 1208, 1220, 1510, 2239, 2416, 2440, 3020, 4478, 4880, 6040, 8956, 9211, 11195, 12080, 17912, 18422, 22390, 35824, 36844, 44780, 46055, 73688, 89560, 92110, 136579, 147376, 179120, 184220, 273158, 338089, 368440, 546316, 676178, 682895, 736880, 1092632, 1352356, 1365790, 1690445, 2185264, 2704712, 2731580, 3380890, 5409424, 5463160, 6761780, 10926320, 13523560, 20623429, 27047120, 41246858, 82493716, 103117145, 164987432, 206234290, 329974864, 412468580, 824937160, 1649874320]

約数ペア:

[(1, 1649874320), (2, 824937160), (4, 412468580), (5, 329974864), (8, 206234290), (10, 164987432), (16, 103117145), (20, 82493716), (40, 41246858), (61, 27047120), (80, 20623429), (122, 13523560), (151, 10926320), (244, 6761780), (302, 5463160), (305, 5409424), (488, 3380890), (604, 2731580), (610, 2704712), (755, 2185264), (976, 1690445), (1208, 1365790), (1220, 1352356), (1510, 1092632), (2239, 736880), (2416, 682895), (2440, 676178), (3020, 546316), (4478, 368440), (4880, 338089), (6040, 273158), (8956, 184220), (9211, 179120), (11195, 147376), (12080, 136579), (17912, 92110), (18422, 89560), (22390, 73688), (35824, 46055), (36844, 44780)]