1813560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 6635520

約数和(自身を除く): 4821960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 127, 136, 140, 168, 170, 204, 210, 238, 254, 255, 280, 340, 357, 381, 408, 420, 476, 508, 510, 595, 635, 680, 714, 762, 840, 889, 952, 1016, 1020, 1190, 1270, 1428, 1524, 1778, 1785, 1905, 2040, 2159, 2380, 2540, 2667, 2856, 3048, 3556, 3570, 3810, 4318, 4445, 4760, 5080, 5334, 6477, 7112, 7140, 7620, 8636, 8890, 10668, 10795, 12954, 13335, 14280, 15113, 15240, 17272, 17780, 21336, 21590, 25908, 26670, 30226, 32385, 35560, 43180, 45339, 51816, 53340, 60452, 64770, 75565, 86360, 90678, 106680, 120904, 129540, 151130, 181356, 226695, 259080, 302260, 362712, 453390, 604520, 906780, 1813560]

約数ペア:

[(1, 1813560), (2, 906780), (3, 604520), (4, 453390), (5, 362712), (6, 302260), (7, 259080), (8, 226695), (10, 181356), (12, 151130), (14, 129540), (15, 120904), (17, 106680), (20, 90678), (21, 86360), (24, 75565), (28, 64770), (30, 60452), (34, 53340), (35, 51816), (40, 45339), (42, 43180), (51, 35560), (56, 32385), (60, 30226), (68, 26670), (70, 25908), (84, 21590), (85, 21336), (102, 17780), (105, 17272), (119, 15240), (120, 15113), (127, 14280), (136, 13335), (140, 12954), (168, 10795), (170, 10668), (204, 8890), (210, 8636), (238, 7620), (254, 7140), (255, 7112), (280, 6477), (340, 5334), (357, 5080), (381, 4760), (408, 4445), (420, 4318), (476, 3810), (508, 3570), (510, 3556), (595, 3048), (635, 2856), (680, 2667), (714, 2540), (762, 2380), (840, 2159), (889, 2040), (952, 1905), (1016, 1785), (1020, 1778), (1190, 1524), (1270, 1428)]