1639866420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{396103}}^1$

素因数の和:396141

約数の個数: 72

約数和(自身を含む): 5190546816

約数和(自身を除く): 3550680396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 396103, 792206, 1188309, 1584412, 1980515, 2376618, 3564927, 3961030, 4753236, 5941545, 7129854, 7922060, 9110369, 11883090, 14259708, 17824635, 18220738, 23766180, 27331107, 35649270, 36441476, 45551845, 54662214, 71298540, 81993321, 91103690, 109324428, 136655535, 163986642, 182207380, 273311070, 327973284, 409966605, 546622140, 819933210, 1639866420]

約数ペア:

[(1, 1639866420), (2, 819933210), (3, 546622140), (4, 409966605), (5, 327973284), (6, 273311070), (9, 182207380), (10, 163986642), (12, 136655535), (15, 109324428), (18, 91103690), (20, 81993321), (23, 71298540), (30, 54662214), (36, 45551845), (45, 36441476), (46, 35649270), (60, 27331107), (69, 23766180), (90, 18220738), (92, 17824635), (115, 14259708), (138, 11883090), (180, 9110369), (207, 7922060), (230, 7129854), (276, 5941545), (345, 4753236), (414, 3961030), (460, 3564927), (690, 2376618), (828, 1980515), (1035, 1584412), (1380, 1188309), (2070, 792206), (4140, 396103)]