87490680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 280627200

約数和(自身を除く): 193136520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 696, 744, 811, 870, 899, 930, 1160, 1240, 1622, 1740, 1798, 1860, 2433, 2697, 3244, 3480, 3596, 3720, 4055, 4495, 4866, 5394, 6488, 7192, 8110, 8990, 9732, 10788, 12165, 13485, 16220, 17980, 19464, 21576, 23519, 24330, 25141, 26970, 32440, 35960, 47038, 48660, 50282, 53940, 70557, 75423, 94076, 97320, 100564, 107880, 117595, 125705, 141114, 150846, 188152, 201128, 235190, 251410, 282228, 301692, 352785, 377115, 470380, 502820, 564456, 603384, 705570, 729089, 754230, 940760, 1005640, 1411140, 1458178, 1508460, 2187267, 2822280, 2916356, 3016920, 3645445, 4374534, 5832712, 7290890, 8749068, 10936335, 14581780, 17498136, 21872670, 29163560, 43745340, 87490680]

約数ペア:

[(1, 87490680), (2, 43745340), (3, 29163560), (4, 21872670), (5, 17498136), (6, 14581780), (8, 10936335), (10, 8749068), (12, 7290890), (15, 5832712), (20, 4374534), (24, 3645445), (29, 3016920), (30, 2916356), (31, 2822280), (40, 2187267), (58, 1508460), (60, 1458178), (62, 1411140), (87, 1005640), (93, 940760), (116, 754230), (120, 729089), (124, 705570), (145, 603384), (155, 564456), (174, 502820), (186, 470380), (232, 377115), (248, 352785), (290, 301692), (310, 282228), (348, 251410), (372, 235190), (435, 201128), (465, 188152), (580, 150846), (620, 141114), (696, 125705), (744, 117595), (811, 107880), (870, 100564), (899, 97320), (930, 94076), (1160, 75423), (1240, 70557), (1622, 53940), (1740, 50282), (1798, 48660), (1860, 47038), (2433, 35960), (2697, 32440), (3244, 26970), (3480, 25141), (3596, 24330), (3720, 23519), (4055, 21576), (4495, 19464), (4866, 17980), (5394, 16220), (6488, 13485), (7192, 12165), (8110, 10788), (8990, 9732)]