77628880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2069}}^1$

素因数の和:2156

約数の個数: 80

約数和(自身を含む): 209450880

約数和(自身を除く): 131822000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1876, 2069, 2345, 2680, 3752, 4138, 4690, 5360, 7504, 8276, 9380, 10345, 14483, 16552, 18760, 20690, 28966, 33104, 37520, 41380, 57932, 72415, 82760, 115864, 138623, 144830, 165520, 231728, 277246, 289660, 554492, 579320, 693115, 970361, 1108984, 1158640, 1386230, 1940722, 2217968, 2772460, 3881444, 4851805, 5544920, 7762888, 9703610, 11089840, 15525776, 19407220, 38814440, 77628880]

約数ペア:

[(1, 77628880), (2, 38814440), (4, 19407220), (5, 15525776), (7, 11089840), (8, 9703610), (10, 7762888), (14, 5544920), (16, 4851805), (20, 3881444), (28, 2772460), (35, 2217968), (40, 1940722), (56, 1386230), (67, 1158640), (70, 1108984), (80, 970361), (112, 693115), (134, 579320), (140, 554492), (268, 289660), (280, 277246), (335, 231728), (469, 165520), (536, 144830), (560, 138623), (670, 115864), (938, 82760), (1072, 72415), (1340, 57932), (1876, 41380), (2069, 37520), (2345, 33104), (2680, 28966), (3752, 20690), (4138, 18760), (4690, 16552), (5360, 14483), (7504, 10345), (8276, 9380)]