18343920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 66424320

約数和(自身を除く): 48080400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 179, 183, 210, 240, 244, 280, 305, 336, 358, 366, 420, 427, 488, 537, 560, 610, 716, 732, 840, 854, 895, 915, 976, 1074, 1220, 1253, 1281, 1432, 1464, 1680, 1708, 1790, 1830, 2135, 2148, 2440, 2506, 2562, 2685, 2864, 2928, 3416, 3580, 3660, 3759, 4270, 4296, 4880, 5012, 5124, 5370, 6265, 6405, 6832, 7160, 7320, 7518, 8540, 8592, 10024, 10248, 10740, 10919, 12530, 12810, 14320, 14640, 15036, 17080, 18795, 20048, 20496, 21480, 21838, 25060, 25620, 30072, 32757, 34160, 37590, 42960, 43676, 50120, 51240, 54595, 60144, 65514, 75180, 76433, 87352, 100240, 102480, 109190, 131028, 150360, 152866, 163785, 174704, 218380, 229299, 262056, 300720, 305732, 327570, 382165, 436760, 458598, 524112, 611464, 655140, 764330, 873520, 917196, 1146495, 1222928, 1310280, 1528660, 1834392, 2292990, 2620560, 3057320, 3668784, 4585980, 6114640, 9171960, 18343920]

約数ペア:

[(1, 18343920), (2, 9171960), (3, 6114640), (4, 4585980), (5, 3668784), (6, 3057320), (7, 2620560), (8, 2292990), (10, 1834392), (12, 1528660), (14, 1310280), (15, 1222928), (16, 1146495), (20, 917196), (21, 873520), (24, 764330), (28, 655140), (30, 611464), (35, 524112), (40, 458598), (42, 436760), (48, 382165), (56, 327570), (60, 305732), (61, 300720), (70, 262056), (80, 229299), (84, 218380), (105, 174704), (112, 163785), (120, 152866), (122, 150360), (140, 131028), (168, 109190), (179, 102480), (183, 100240), (210, 87352), (240, 76433), (244, 75180), (280, 65514), (305, 60144), (336, 54595), (358, 51240), (366, 50120), (420, 43676), (427, 42960), (488, 37590), (537, 34160), (560, 32757), (610, 30072), (716, 25620), (732, 25060), (840, 21838), (854, 21480), (895, 20496), (915, 20048), (976, 18795), (1074, 17080), (1220, 15036), (1253, 14640), (1281, 14320), (1432, 12810), (1464, 12530), (1680, 10919), (1708, 10740), (1790, 10248), (1830, 10024), (2135, 8592), (2148, 8540), (2440, 7518), (2506, 7320), (2562, 7160), (2685, 6832), (2864, 6405), (2928, 6265), (3416, 5370), (3580, 5124), (3660, 5012), (3759, 4880), (4270, 4296)]