90837880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{739}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 234432000

約数和(自身を除く): 143594120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 739, 878, 1478, 1756, 2195, 2956, 3073, 3512, 3695, 4390, 5173, 5912, 6146, 7390, 8780, 10346, 12292, 14780, 15365, 17560, 20692, 24584, 25865, 29560, 30730, 41384, 51730, 61460, 103460, 122920, 206920, 324421, 648842, 1297684, 1622105, 2270947, 2595368, 3244210, 4541894, 6488420, 9083788, 11354735, 12976840, 18167576, 22709470, 45418940, 90837880]

約数ペア:

[(1, 90837880), (2, 45418940), (4, 22709470), (5, 18167576), (7, 12976840), (8, 11354735), (10, 9083788), (14, 6488420), (20, 4541894), (28, 3244210), (35, 2595368), (40, 2270947), (56, 1622105), (70, 1297684), (140, 648842), (280, 324421), (439, 206920), (739, 122920), (878, 103460), (1478, 61460), (1756, 51730), (2195, 41384), (2956, 30730), (3073, 29560), (3512, 25865), (3695, 24584), (4390, 20692), (5173, 17560), (5912, 15365), (6146, 14780), (7390, 12292), (8780, 10346)]