70805840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 189309312

約数和(自身を除く): 118503472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 557, 560, 908, 1114, 1135, 1589, 1816, 2228, 2270, 2785, 3178, 3632, 3899, 4456, 4540, 5570, 6356, 7798, 7945, 8912, 9080, 11140, 12712, 15596, 15890, 18160, 19495, 22280, 25424, 31192, 31780, 38990, 44560, 62384, 63560, 77980, 126439, 127120, 155960, 252878, 311920, 505756, 632195, 885073, 1011512, 1264390, 1770146, 2023024, 2528780, 3540292, 4425365, 5057560, 7080584, 8850730, 10115120, 14161168, 17701460, 35402920, 70805840]

約数ペア:

[(1, 70805840), (2, 35402920), (4, 17701460), (5, 14161168), (7, 10115120), (8, 8850730), (10, 7080584), (14, 5057560), (16, 4425365), (20, 3540292), (28, 2528780), (35, 2023024), (40, 1770146), (56, 1264390), (70, 1011512), (80, 885073), (112, 632195), (140, 505756), (227, 311920), (280, 252878), (454, 155960), (557, 127120), (560, 126439), (908, 77980), (1114, 63560), (1135, 62384), (1589, 44560), (1816, 38990), (2228, 31780), (2270, 31192), (2785, 25424), (3178, 22280), (3632, 19495), (3899, 18160), (4456, 15890), (4540, 15596), (5570, 12712), (6356, 11140), (7798, 9080), (7945, 8912)]