290305680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172801}}^1$

素因数の和:172824

約数の個数: 80

約数和(自身を含む): 1028517504

約数和(自身を除く): 738211824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 172801, 345602, 518403, 691204, 864005, 1036806, 1209607, 1382408, 1728010, 2073612, 2419214, 2592015, 2764816, 3456020, 3628821, 4147224, 4838428, 5184030, 6048035, 6912040, 7257642, 8294448, 9676856, 10368060, 12096070, 13824080, 14515284, 18144105, 19353712, 20736120, 24192140, 29030568, 36288210, 41472240, 48384280, 58061136, 72576420, 96768560, 145152840, 290305680]

約数ペア:

[(1, 290305680), (2, 145152840), (3, 96768560), (4, 72576420), (5, 58061136), (6, 48384280), (7, 41472240), (8, 36288210), (10, 29030568), (12, 24192140), (14, 20736120), (15, 19353712), (16, 18144105), (20, 14515284), (21, 13824080), (24, 12096070), (28, 10368060), (30, 9676856), (35, 8294448), (40, 7257642), (42, 6912040), (48, 6048035), (56, 5184030), (60, 4838428), (70, 4147224), (80, 3628821), (84, 3456020), (105, 2764816), (112, 2592015), (120, 2419214), (140, 2073612), (168, 1728010), (210, 1382408), (240, 1209607), (280, 1036806), (336, 864005), (420, 691204), (560, 518403), (840, 345602), (1680, 172801)]