15711160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 36961920

約数和(自身を除く): 21250760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 137, 188, 235, 244, 274, 305, 376, 470, 488, 548, 610, 685, 940, 1096, 1220, 1370, 1880, 2440, 2740, 2867, 5480, 5734, 6439, 8357, 11468, 12878, 14335, 16714, 22936, 25756, 28670, 32195, 33428, 41785, 51512, 57340, 64390, 66856, 83570, 114680, 128780, 167140, 257560, 334280, 392779, 785558, 1571116, 1963895, 3142232, 3927790, 7855580, 15711160]

約数ペア:

[(1, 15711160), (2, 7855580), (4, 3927790), (5, 3142232), (8, 1963895), (10, 1571116), (20, 785558), (40, 392779), (47, 334280), (61, 257560), (94, 167140), (122, 128780), (137, 114680), (188, 83570), (235, 66856), (244, 64390), (274, 57340), (305, 51512), (376, 41785), (470, 33428), (488, 32195), (548, 28670), (610, 25756), (685, 22936), (940, 16714), (1096, 14335), (1220, 12878), (1370, 11468), (1880, 8357), (2440, 6439), (2740, 5734), (2867, 5480)]