71223870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 180195840

約数和(自身を除く): 108971970

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 109, 115, 138, 218, 230, 327, 345, 545, 654, 690, 947, 1090, 1635, 1894, 2507, 2841, 3270, 4735, 5014, 5682, 7521, 9470, 12535, 14205, 15042, 21781, 25070, 28410, 37605, 43562, 65343, 75210, 103223, 108905, 130686, 206446, 217810, 309669, 326715, 516115, 619338, 653430, 1032230, 1548345, 2374129, 3096690, 4748258, 7122387, 11870645, 14244774, 23741290, 35611935, 71223870]

約数ペア:

[(1, 71223870), (2, 35611935), (3, 23741290), (5, 14244774), (6, 11870645), (10, 7122387), (15, 4748258), (23, 3096690), (30, 2374129), (46, 1548345), (69, 1032230), (109, 653430), (115, 619338), (138, 516115), (218, 326715), (230, 309669), (327, 217810), (345, 206446), (545, 130686), (654, 108905), (690, 103223), (947, 75210), (1090, 65343), (1635, 43562), (1894, 37605), (2507, 28410), (2841, 25070), (3270, 21781), (4735, 15042), (5014, 14205), (5682, 12535), (7521, 9470)]