79866920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1889}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 206841600

約数和(自身を除く): 126974680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 1889, 2114, 3020, 3778, 4228, 5285, 6040, 7556, 8456, 9445, 10570, 13223, 15112, 18890, 21140, 26446, 37780, 42280, 52892, 66115, 75560, 105784, 132230, 264460, 285239, 528920, 570478, 1140956, 1426195, 1996673, 2281912, 2852390, 3993346, 5704780, 7986692, 9983365, 11409560, 15973384, 19966730, 39933460, 79866920]

約数ペア:

[(1, 79866920), (2, 39933460), (4, 19966730), (5, 15973384), (7, 11409560), (8, 9983365), (10, 7986692), (14, 5704780), (20, 3993346), (28, 2852390), (35, 2281912), (40, 1996673), (56, 1426195), (70, 1140956), (140, 570478), (151, 528920), (280, 285239), (302, 264460), (604, 132230), (755, 105784), (1057, 75560), (1208, 66115), (1510, 52892), (1889, 42280), (2114, 37780), (3020, 26446), (3778, 21140), (4228, 18890), (5285, 15112), (6040, 13223), (7556, 10570), (8456, 9445)]