61578720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 288

約数和(自身を含む): 247665600

約数和(自身を除く): 186086880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 70, 72, 80, 82, 84, 90, 96, 105, 112, 120, 123, 126, 140, 144, 149, 160, 164, 168, 180, 205, 210, 224, 240, 246, 252, 280, 287, 288, 298, 315, 328, 336, 360, 369, 410, 420, 447, 480, 492, 504, 560, 574, 596, 615, 630, 656, 672, 720, 738, 745, 820, 840, 861, 894, 984, 1008, 1043, 1120, 1148, 1192, 1230, 1260, 1312, 1341, 1435, 1440, 1476, 1490, 1640, 1680, 1722, 1788, 1845, 1968, 2016, 2086, 2235, 2296, 2384, 2460, 2520, 2583, 2682, 2870, 2952, 2980, 3129, 3280, 3360, 3444, 3576, 3690, 3936, 4172, 4305, 4470, 4592, 4768, 4920, 5040, 5166, 5215, 5364, 5740, 5904, 5960, 6109, 6258, 6560, 6705, 6888, 7152, 7380, 8344, 8610, 8940, 9184, 9387, 9840, 10080, 10332, 10430, 10728, 11480, 11808, 11920, 12218, 12516, 12915, 13410, 13776, 14304, 14760, 15645, 16688, 17220, 17880, 18327, 18774, 19680, 20664, 20860, 21456, 22960, 23840, 24436, 25032, 25830, 26820, 27552, 29520, 30545, 31290, 33376, 34440, 35760, 36654, 37548, 41328, 41720, 42763, 42912, 45920, 46935, 48872, 50064, 51660, 53640, 54981, 59040, 61090, 62580, 68880, 71520, 73308, 75096, 82656, 83440, 85526, 91635, 93870, 97744, 100128, 103320, 107280, 109962, 122180, 125160, 128289, 137760, 146616, 150192, 166880, 171052, 183270, 187740, 195488, 206640, 213815, 214560, 219924, 244360, 250320, 256578, 274905, 293232, 300384, 342104, 366540, 375480, 384867, 413280, 427630, 439848, 488720, 500640, 513156, 549810, 586464, 641445, 684208, 733080, 750960, 769734, 855260, 879696, 977440, 1026312, 1099620, 1282890, 1368416, 1466160, 1501920, 1539468, 1710520, 1759392, 1924335, 2052624, 2199240, 2565780, 2932320, 3078936, 3421040, 3848670, 4105248, 4398480, 5131560, 6157872, 6842080, 7697340, 8796960, 10263120, 12315744, 15394680, 20526240, 30789360, 61578720]

約数ペア:

[(1, 61578720), (2, 30789360), (3, 20526240), (4, 15394680), (5, 12315744), (6, 10263120), (7, 8796960), (8, 7697340), (9, 6842080), (10, 6157872), (12, 5131560), (14, 4398480), (15, 4105248), (16, 3848670), (18, 3421040), (20, 3078936), (21, 2932320), (24, 2565780), (28, 2199240), (30, 2052624), (32, 1924335), (35, 1759392), (36, 1710520), (40, 1539468), (41, 1501920), (42, 1466160), (45, 1368416), (48, 1282890), (56, 1099620), (60, 1026312), (63, 977440), (70, 879696), (72, 855260), (80, 769734), (82, 750960), (84, 733080), (90, 684208), (96, 641445), (105, 586464), (112, 549810), (120, 513156), (123, 500640), (126, 488720), (140, 439848), (144, 427630), (149, 413280), (160, 384867), (164, 375480), (168, 366540), (180, 342104), (205, 300384), (210, 293232), (224, 274905), (240, 256578), (246, 250320), (252, 244360), (280, 219924), (287, 214560), (288, 213815), (298, 206640), (315, 195488), (328, 187740), (336, 183270), (360, 171052), (369, 166880), (410, 150192), (420, 146616), (447, 137760), (480, 128289), (492, 125160), (504, 122180), (560, 109962), (574, 107280), (596, 103320), (615, 100128), (630, 97744), (656, 93870), (672, 91635), (720, 85526), (738, 83440), (745, 82656), (820, 75096), (840, 73308), (861, 71520), (894, 68880), (984, 62580), (1008, 61090), (1043, 59040), (1120, 54981), (1148, 53640), (1192, 51660), (1230, 50064), (1260, 48872), (1312, 46935), (1341, 45920), (1435, 42912), (1440, 42763), (1476, 41720), (1490, 41328), (1640, 37548), (1680, 36654), (1722, 35760), (1788, 34440), (1845, 33376), (1968, 31290), (2016, 30545), (2086, 29520), (2235, 27552), (2296, 26820), (2384, 25830), (2460, 25032), (2520, 24436), (2583, 23840), (2682, 22960), (2870, 21456), (2952, 20860), (2980, 20664), (3129, 19680), (3280, 18774), (3360, 18327), (3444, 17880), (3576, 17220), (3690, 16688), (3936, 15645), (4172, 14760), (4305, 14304), (4470, 13776), (4592, 13410), (4768, 12915), (4920, 12516), (5040, 12218), (5166, 11920), (5215, 11808), (5364, 11480), (5740, 10728), (5904, 10430), (5960, 10332), (6109, 10080), (6258, 9840), (6560, 9387), (6705, 9184), (6888, 8940), (7152, 8610), (7380, 8344)]