87381280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1362

約数の個数: 96

約数和(自身を含む): 239984640

約数和(自身を除く): 152603360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1120, 1220, 1279, 1708, 1952, 2135, 2440, 2558, 3416, 4270, 4880, 5116, 6395, 6832, 8540, 8953, 9760, 10232, 12790, 13664, 17080, 17906, 20464, 25580, 34160, 35812, 40928, 44765, 51160, 68320, 71624, 78019, 89530, 102320, 143248, 156038, 179060, 204640, 286496, 312076, 358120, 390095, 546133, 624152, 716240, 780190, 1092266, 1248304, 1432480, 1560380, 2184532, 2496608, 2730665, 3120760, 4369064, 5461330, 6241520, 8738128, 10922660, 12483040, 17476256, 21845320, 43690640, 87381280]

約数ペア:

[(1, 87381280), (2, 43690640), (4, 21845320), (5, 17476256), (7, 12483040), (8, 10922660), (10, 8738128), (14, 6241520), (16, 5461330), (20, 4369064), (28, 3120760), (32, 2730665), (35, 2496608), (40, 2184532), (56, 1560380), (61, 1432480), (70, 1248304), (80, 1092266), (112, 780190), (122, 716240), (140, 624152), (160, 546133), (224, 390095), (244, 358120), (280, 312076), (305, 286496), (427, 204640), (488, 179060), (560, 156038), (610, 143248), (854, 102320), (976, 89530), (1120, 78019), (1220, 71624), (1279, 68320), (1708, 51160), (1952, 44765), (2135, 40928), (2440, 35812), (2558, 34160), (3416, 25580), (4270, 20464), (4880, 17906), (5116, 17080), (6395, 13664), (6832, 12790), (8540, 10232), (8953, 9760)]