15780960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 59693760

約数和(自身を除く): 43912800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 281, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 562, 585, 624, 702, 720, 780, 843, 864, 936, 1040, 1080, 1124, 1170, 1248, 1404, 1405, 1440, 1560, 1686, 1755, 1872, 2080, 2160, 2248, 2340, 2529, 2808, 2810, 3120, 3372, 3510, 3653, 3744, 4215, 4320, 4496, 4680, 5058, 5616, 5620, 6240, 6744, 7020, 7306, 7587, 8430, 8992, 9360, 10116, 10959, 11232, 11240, 12645, 13488, 14040, 14612, 15174, 16860, 18265, 18720, 20232, 21918, 22480, 25290, 26976, 28080, 29224, 30348, 32877, 33720, 36530, 37935, 40464, 43836, 44960, 50580, 54795, 56160, 58448, 60696, 65754, 67440, 73060, 75870, 80928, 87672, 98631, 101160, 109590, 116896, 121392, 131508, 134880, 146120, 151740, 164385, 175344, 197262, 202320, 219180, 242784, 263016, 292240, 303480, 328770, 350688, 394524, 404640, 438360, 493155, 526032, 584480, 606960, 657540, 789048, 876720, 986310, 1052064, 1213920, 1315080, 1578096, 1753440, 1972620, 2630160, 3156192, 3945240, 5260320, 7890480, 15780960]

約数ペア:

[(1, 15780960), (2, 7890480), (3, 5260320), (4, 3945240), (5, 3156192), (6, 2630160), (8, 1972620), (9, 1753440), (10, 1578096), (12, 1315080), (13, 1213920), (15, 1052064), (16, 986310), (18, 876720), (20, 789048), (24, 657540), (26, 606960), (27, 584480), (30, 526032), (32, 493155), (36, 438360), (39, 404640), (40, 394524), (45, 350688), (48, 328770), (52, 303480), (54, 292240), (60, 263016), (65, 242784), (72, 219180), (78, 202320), (80, 197262), (90, 175344), (96, 164385), (104, 151740), (108, 146120), (117, 134880), (120, 131508), (130, 121392), (135, 116896), (144, 109590), (156, 101160), (160, 98631), (180, 87672), (195, 80928), (208, 75870), (216, 73060), (234, 67440), (240, 65754), (260, 60696), (270, 58448), (281, 56160), (288, 54795), (312, 50580), (351, 44960), (360, 43836), (390, 40464), (416, 37935), (432, 36530), (468, 33720), (480, 32877), (520, 30348), (540, 29224), (562, 28080), (585, 26976), (624, 25290), (702, 22480), (720, 21918), (780, 20232), (843, 18720), (864, 18265), (936, 16860), (1040, 15174), (1080, 14612), (1124, 14040), (1170, 13488), (1248, 12645), (1404, 11240), (1405, 11232), (1440, 10959), (1560, 10116), (1686, 9360), (1755, 8992), (1872, 8430), (2080, 7587), (2160, 7306), (2248, 7020), (2340, 6744), (2529, 6240), (2808, 5620), (2810, 5616), (3120, 5058), (3372, 4680), (3510, 4496), (3653, 4320), (3744, 4215)]