756840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 128

約数和(自身を含む): 2799360

約数和(自身を除く): 2042520

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, 53, 56, 60, 68, 70, 84, 85, 102, 105, 106, 119, 120, 136, 140, 159, 168, 170, 204, 210, 212, 238, 255, 265, 280, 318, 340, 357, 371, 408, 420, 424, 476, 510, 530, 595, 636, 680, 714, 742, 795, 840, 901, 952, 1020, 1060, 1113, 1190, 1272, 1428, 1484, 1590, 1785, 1802, 1855, 2040, 2120, 2226, 2380, 2703, 2856, 2968, 3180, 3570, 3604, 3710, 4452, 4505, 4760, 5406, 5565, 6307, 6360, 7140, 7208, 7420, 8904, 9010, 10812, 11130, 12614, 13515, 14280, 14840, 18020, 18921, 21624, 22260, 25228, 27030, 31535, 36040, 37842, 44520, 50456, 54060, 63070, 75684, 94605, 108120, 126140, 151368, 189210, 252280, 378420, 756840]

約数ペア:

[(1, 756840), (2, 378420), (3, 252280), (4, 189210), (5, 151368), (6, 126140), (7, 108120), (8, 94605), (10, 75684), (12, 63070), (14, 54060), (15, 50456), (17, 44520), (20, 37842), (21, 36040), (24, 31535), (28, 27030), (30, 25228), (34, 22260), (35, 21624), (40, 18921), (42, 18020), (51, 14840), (53, 14280), (56, 13515), (60, 12614), (68, 11130), (70, 10812), (84, 9010), (85, 8904), (102, 7420), (105, 7208), (106, 7140), (119, 6360), (120, 6307), (136, 5565), (140, 5406), (159, 4760), (168, 4505), (170, 4452), (204, 3710), (210, 3604), (212, 3570), (238, 3180), (255, 2968), (265, 2856), (280, 2703), (318, 2380), (340, 2226), (357, 2120), (371, 2040), (408, 1855), (420, 1802), (424, 1785), (476, 1590), (510, 1484), (530, 1428), (595, 1272), (636, 1190), (680, 1113), (714, 1060), (742, 1020), (795, 952), (840, 901)]