7854840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{1039}}^1$

素因数の和:1066

約数の個数: 128

約数和(自身を含む): 29952000

約数和(自身を除く): 22097160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1039, 1080, 1260, 1512, 1890, 2078, 2520, 3117, 3780, 4156, 5195, 6234, 7273, 7560, 8312, 9351, 10390, 12468, 14546, 15585, 18702, 20780, 21819, 24936, 28053, 29092, 31170, 36365, 37404, 41560, 43638, 46755, 56106, 58184, 62340, 65457, 72730, 74808, 87276, 93510, 109095, 112212, 124680, 130914, 140265, 145460, 174552, 187020, 196371, 218190, 224424, 261828, 280530, 290920, 327285, 374040, 392742, 436380, 523656, 561060, 654570, 785484, 872760, 981855, 1122120, 1309140, 1570968, 1963710, 2618280, 3927420, 7854840]

約数ペア:

[(1, 7854840), (2, 3927420), (3, 2618280), (4, 1963710), (5, 1570968), (6, 1309140), (7, 1122120), (8, 981855), (9, 872760), (10, 785484), (12, 654570), (14, 561060), (15, 523656), (18, 436380), (20, 392742), (21, 374040), (24, 327285), (27, 290920), (28, 280530), (30, 261828), (35, 224424), (36, 218190), (40, 196371), (42, 187020), (45, 174552), (54, 145460), (56, 140265), (60, 130914), (63, 124680), (70, 112212), (72, 109095), (84, 93510), (90, 87276), (105, 74808), (108, 72730), (120, 65457), (126, 62340), (135, 58184), (140, 56106), (168, 46755), (180, 43638), (189, 41560), (210, 37404), (216, 36365), (252, 31170), (270, 29092), (280, 28053), (315, 24936), (360, 21819), (378, 20780), (420, 18702), (504, 15585), (540, 14546), (630, 12468), (756, 10390), (840, 9351), (945, 8312), (1039, 7560), (1080, 7273), (1260, 6234), (1512, 5195), (1890, 4156), (2078, 3780), (2520, 3117)]