51287640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 128

約数和(自身を含む): 168376320

約数和(自身を除く): 117088680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 811, 930, 1020, 1054, 1240, 1581, 1622, 1860, 2040, 2108, 2433, 2635, 3162, 3244, 3720, 4055, 4216, 4866, 5270, 6324, 6488, 7905, 8110, 9732, 10540, 12165, 12648, 13787, 15810, 16220, 19464, 21080, 24330, 25141, 27574, 31620, 32440, 41361, 48660, 50282, 55148, 63240, 68935, 75423, 82722, 97320, 100564, 110296, 125705, 137870, 150846, 165444, 201128, 206805, 251410, 275740, 301692, 330888, 377115, 413610, 427397, 502820, 551480, 603384, 754230, 827220, 854794, 1005640, 1282191, 1508460, 1654440, 1709588, 2136985, 2564382, 3016920, 3419176, 4273970, 5128764, 6410955, 8547940, 10257528, 12821910, 17095880, 25643820, 51287640]

約数ペア:

[(1, 51287640), (2, 25643820), (3, 17095880), (4, 12821910), (5, 10257528), (6, 8547940), (8, 6410955), (10, 5128764), (12, 4273970), (15, 3419176), (17, 3016920), (20, 2564382), (24, 2136985), (30, 1709588), (31, 1654440), (34, 1508460), (40, 1282191), (51, 1005640), (60, 854794), (62, 827220), (68, 754230), (85, 603384), (93, 551480), (102, 502820), (120, 427397), (124, 413610), (136, 377115), (155, 330888), (170, 301692), (186, 275740), (204, 251410), (248, 206805), (255, 201128), (310, 165444), (340, 150846), (372, 137870), (408, 125705), (465, 110296), (510, 100564), (527, 97320), (620, 82722), (680, 75423), (744, 68935), (811, 63240), (930, 55148), (1020, 50282), (1054, 48660), (1240, 41361), (1581, 32440), (1622, 31620), (1860, 27574), (2040, 25141), (2108, 24330), (2433, 21080), (2635, 19464), (3162, 16220), (3244, 15810), (3720, 13787), (4055, 12648), (4216, 12165), (4866, 10540), (5270, 9732), (6324, 8110), (6488, 7905)]