78331120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1178

約数の個数: 80

約数和(自身を含む): 209861568

約数和(自身を除く): 131530448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 685, 959, 1021, 1096, 1370, 1918, 2042, 2192, 2740, 3836, 4084, 4795, 5105, 5480, 7147, 7672, 8168, 9590, 10210, 10960, 14294, 15344, 16336, 19180, 20420, 28588, 35735, 38360, 40840, 57176, 71470, 76720, 81680, 114352, 139877, 142940, 279754, 285880, 559508, 571760, 699385, 979139, 1119016, 1398770, 1958278, 2238032, 2797540, 3916556, 4895695, 5595080, 7833112, 9791390, 11190160, 15666224, 19582780, 39165560, 78331120]

約数ペア:

[(1, 78331120), (2, 39165560), (4, 19582780), (5, 15666224), (7, 11190160), (8, 9791390), (10, 7833112), (14, 5595080), (16, 4895695), (20, 3916556), (28, 2797540), (35, 2238032), (40, 1958278), (56, 1398770), (70, 1119016), (80, 979139), (112, 699385), (137, 571760), (140, 559508), (274, 285880), (280, 279754), (548, 142940), (560, 139877), (685, 114352), (959, 81680), (1021, 76720), (1096, 71470), (1370, 57176), (1918, 40840), (2042, 38360), (2192, 35735), (2740, 28588), (3836, 20420), (4084, 19180), (4795, 16336), (5105, 15344), (5480, 14294), (7147, 10960), (7672, 10210), (8168, 9590)]