826507920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{491969}}^1$

素因数の和:491992

約数の個数: 80

約数和(自身を含む): 2928205440

約数和(自身を除く): 2101697520

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, 491969, 983938, 1475907, 1967876, 2459845, 2951814, 3443783, 3935752, 4919690, 5903628, 6887566, 7379535, 7871504, 9839380, 10331349, 11807256, 13775132, 14759070, 17218915, 19678760, 20662698, 23614512, 27550264, 29518140, 34437830, 39357520, 41325396, 51656745, 55100528, 59036280, 68875660, 82650792, 103313490, 118072560, 137751320, 165301584, 206626980, 275502640, 413253960, 826507920]

約数ペア:

[(1, 826507920), (2, 413253960), (3, 275502640), (4, 206626980), (5, 165301584), (6, 137751320), (7, 118072560), (8, 103313490), (10, 82650792), (12, 68875660), (14, 59036280), (15, 55100528), (16, 51656745), (20, 41325396), (21, 39357520), (24, 34437830), (28, 29518140), (30, 27550264), (35, 23614512), (40, 20662698), (42, 19678760), (48, 17218915), (56, 14759070), (60, 13775132), (70, 11807256), (80, 10331349), (84, 9839380), (105, 7871504), (112, 7379535), (120, 6887566), (140, 5903628), (168, 4919690), (210, 3935752), (240, 3443783), (280, 2951814), (336, 2459845), (420, 1967876), (560, 1475907), (840, 983938), (1680, 491969)]