80841420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40829}}^1$

素因数の和:40855

約数の個数: 72

約数和(自身を含む): 267518160

約数和(自身を除く): 186676740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 40829, 81658, 122487, 163316, 204145, 244974, 367461, 408290, 449119, 489948, 612435, 734922, 816580, 898238, 1224870, 1347357, 1469844, 1796476, 1837305, 2245595, 2449740, 2694714, 3674610, 4042071, 4491190, 5389428, 6736785, 7349220, 8084142, 8982380, 13473570, 16168284, 20210355, 26947140, 40420710, 80841420]

約数ペア:

[(1, 80841420), (2, 40420710), (3, 26947140), (4, 20210355), (5, 16168284), (6, 13473570), (9, 8982380), (10, 8084142), (11, 7349220), (12, 6736785), (15, 5389428), (18, 4491190), (20, 4042071), (22, 3674610), (30, 2694714), (33, 2449740), (36, 2245595), (44, 1837305), (45, 1796476), (55, 1469844), (60, 1347357), (66, 1224870), (90, 898238), (99, 816580), (110, 734922), (132, 612435), (165, 489948), (180, 449119), (198, 408290), (220, 367461), (330, 244974), (396, 204145), (495, 163316), (660, 122487), (990, 81658), (1980, 40829)]