78351560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{607}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 202245120

約数和(自身を除く): 123893560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461, 607, 922, 1214, 1844, 2305, 2428, 3035, 3227, 3688, 4249, 4610, 4856, 6070, 6454, 8498, 9220, 12140, 12908, 16135, 16996, 18440, 21245, 24280, 25816, 32270, 33992, 42490, 64540, 84980, 129080, 169960, 279827, 559654, 1119308, 1399135, 1958789, 2238616, 2798270, 3917578, 5596540, 7835156, 9793945, 11193080, 15670312, 19587890, 39175780, 78351560]

約数ペア:

[(1, 78351560), (2, 39175780), (4, 19587890), (5, 15670312), (7, 11193080), (8, 9793945), (10, 7835156), (14, 5596540), (20, 3917578), (28, 2798270), (35, 2238616), (40, 1958789), (56, 1399135), (70, 1119308), (140, 559654), (280, 279827), (461, 169960), (607, 129080), (922, 84980), (1214, 64540), (1844, 42490), (2305, 33992), (2428, 32270), (3035, 25816), (3227, 24280), (3688, 21245), (4249, 18440), (4610, 16996), (4856, 16135), (6070, 12908), (6454, 12140), (8498, 9220)]