81676560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:881

約数の個数: 160

約数和(自身を含む): 294481152

約数和(自身を除く): 212804592

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, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 797, 840, 854, 915, 976, 1220, 1281, 1464, 1594, 1680, 1708, 1830, 2135, 2391, 2440, 2562, 2928, 3188, 3416, 3660, 3985, 4270, 4782, 4880, 5124, 5579, 6376, 6405, 6832, 7320, 7970, 8540, 9564, 10248, 11158, 11955, 12752, 12810, 14640, 15940, 16737, 17080, 19128, 20496, 22316, 23910, 25620, 27895, 31880, 33474, 34160, 38256, 44632, 47820, 48617, 51240, 55790, 63760, 66948, 83685, 89264, 95640, 97234, 102480, 111580, 133896, 145851, 167370, 191280, 194468, 223160, 243085, 267792, 291702, 334740, 340319, 388936, 446320, 486170, 583404, 669480, 680638, 729255, 777872, 972340, 1020957, 1166808, 1338960, 1361276, 1458510, 1701595, 1944680, 2041914, 2333616, 2722552, 2917020, 3403190, 3889360, 4083828, 5104785, 5445104, 5834040, 6806380, 8167656, 10209570, 11668080, 13612760, 16335312, 20419140, 27225520, 40838280, 81676560]

約数ペア:

[(1, 81676560), (2, 40838280), (3, 27225520), (4, 20419140), (5, 16335312), (6, 13612760), (7, 11668080), (8, 10209570), (10, 8167656), (12, 6806380), (14, 5834040), (15, 5445104), (16, 5104785), (20, 4083828), (21, 3889360), (24, 3403190), (28, 2917020), (30, 2722552), (35, 2333616), (40, 2041914), (42, 1944680), (48, 1701595), (56, 1458510), (60, 1361276), (61, 1338960), (70, 1166808), (80, 1020957), (84, 972340), (105, 777872), (112, 729255), (120, 680638), (122, 669480), (140, 583404), (168, 486170), (183, 446320), (210, 388936), (240, 340319), (244, 334740), (280, 291702), (305, 267792), (336, 243085), (366, 223160), (420, 194468), (427, 191280), (488, 167370), (560, 145851), (610, 133896), (732, 111580), (797, 102480), (840, 97234), (854, 95640), (915, 89264), (976, 83685), (1220, 66948), (1281, 63760), (1464, 55790), (1594, 51240), (1680, 48617), (1708, 47820), (1830, 44632), (2135, 38256), (2391, 34160), (2440, 33474), (2562, 31880), (2928, 27895), (3188, 25620), (3416, 23910), (3660, 22316), (3985, 20496), (4270, 19128), (4782, 17080), (4880, 16737), (5124, 15940), (5579, 14640), (6376, 12810), (6405, 12752), (6832, 11955), (7320, 11158), (7970, 10248), (8540, 9564)]