154494640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2417}}^1$

素因数の和:2494

約数の個数: 80

約数和(自身を含む): 388582272

約数和(自身を除く): 234087632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 2417, 3196, 3760, 3995, 4834, 6392, 7990, 9668, 12085, 12784, 15980, 19336, 24170, 31960, 38672, 41089, 48340, 63920, 82178, 96680, 113599, 164356, 193360, 205445, 227198, 328712, 410890, 454396, 567995, 657424, 821780, 908792, 1135990, 1643560, 1817584, 1931183, 2271980, 3287120, 3862366, 4543960, 7724732, 9087920, 9655915, 15449464, 19311830, 30898928, 38623660, 77247320, 154494640]

約数ペア:

[(1, 154494640), (2, 77247320), (4, 38623660), (5, 30898928), (8, 19311830), (10, 15449464), (16, 9655915), (17, 9087920), (20, 7724732), (34, 4543960), (40, 3862366), (47, 3287120), (68, 2271980), (80, 1931183), (85, 1817584), (94, 1643560), (136, 1135990), (170, 908792), (188, 821780), (235, 657424), (272, 567995), (340, 454396), (376, 410890), (470, 328712), (680, 227198), (752, 205445), (799, 193360), (940, 164356), (1360, 113599), (1598, 96680), (1880, 82178), (2417, 63920), (3196, 48340), (3760, 41089), (3995, 38672), (4834, 31960), (6392, 24170), (7990, 19336), (9668, 15980), (12085, 12784)]