81044880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2581

約数の個数: 160

約数和(自身を含む): 302361600

約数和(自身を除く): 221316720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2539, 2660, 3192, 3990, 4560, 5078, 5320, 6384, 7617, 7980, 10156, 10640, 12695, 15234, 15960, 17773, 20312, 25390, 30468, 31920, 35546, 38085, 40624, 48241, 50780, 53319, 60936, 71092, 76170, 88865, 96482, 101560, 106638, 121872, 142184, 144723, 152340, 177730, 192964, 203120, 213276, 241205, 266595, 284368, 289446, 304680, 337687, 355460, 385928, 426552, 482410, 533190, 578892, 609360, 675374, 710920, 723615, 771856, 853104, 964820, 1013061, 1066380, 1157784, 1350748, 1421840, 1447230, 1688435, 1929640, 2026122, 2132760, 2315568, 2701496, 2894460, 3376870, 3859280, 4052244, 4265520, 5065305, 5402992, 5788920, 6753740, 8104488, 10130610, 11577840, 13507480, 16208976, 20261220, 27014960, 40522440, 81044880]

約数ペア:

[(1, 81044880), (2, 40522440), (3, 27014960), (4, 20261220), (5, 16208976), (6, 13507480), (7, 11577840), (8, 10130610), (10, 8104488), (12, 6753740), (14, 5788920), (15, 5402992), (16, 5065305), (19, 4265520), (20, 4052244), (21, 3859280), (24, 3376870), (28, 2894460), (30, 2701496), (35, 2315568), (38, 2132760), (40, 2026122), (42, 1929640), (48, 1688435), (56, 1447230), (57, 1421840), (60, 1350748), (70, 1157784), (76, 1066380), (80, 1013061), (84, 964820), (95, 853104), (105, 771856), (112, 723615), (114, 710920), (120, 675374), (133, 609360), (140, 578892), (152, 533190), (168, 482410), (190, 426552), (210, 385928), (228, 355460), (240, 337687), (266, 304680), (280, 289446), (285, 284368), (304, 266595), (336, 241205), (380, 213276), (399, 203120), (420, 192964), (456, 177730), (532, 152340), (560, 144723), (570, 142184), (665, 121872), (760, 106638), (798, 101560), (840, 96482), (912, 88865), (1064, 76170), (1140, 71092), (1330, 60936), (1520, 53319), (1596, 50780), (1680, 48241), (1995, 40624), (2128, 38085), (2280, 35546), (2539, 31920), (2660, 30468), (3192, 25390), (3990, 20312), (4560, 17773), (5078, 15960), (5320, 15234), (6384, 12695), (7617, 10640), (7980, 10156)]