1780147120

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{332117}}^1$

素因数の和:332197

約数の個数: 40

約数和(自身を含む): 4200628464

約数和(自身を除く): 2420481344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 332117, 664234, 1328468, 1660585, 2656936, 3321170, 5313872, 6642340, 13284680, 22251839, 26569360, 44503678, 89007356, 111259195, 178014712, 222518390, 356029424, 445036780, 890073560, 1780147120]

約数ペア:

[(1, 1780147120), (2, 890073560), (4, 445036780), (5, 356029424), (8, 222518390), (10, 178014712), (16, 111259195), (20, 89007356), (40, 44503678), (67, 26569360), (80, 22251839), (134, 13284680), (268, 6642340), (335, 5313872), (536, 3321170), (670, 2656936), (1072, 1660585), (1340, 1328468), (2680, 664234), (5360, 332117)]