868372440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1797

約数の個数: 128

約数和(自身を含む): 2814436800

約数和(自身を除く): 1946064360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 409, 520, 780, 818, 1227, 1361, 1560, 1636, 2045, 2454, 2722, 3272, 4083, 4090, 4908, 5317, 5444, 6135, 6805, 8166, 8180, 9816, 10634, 10888, 12270, 13610, 15951, 16332, 16360, 17693, 20415, 21268, 24540, 26585, 27220, 31902, 32664, 35386, 40830, 42536, 49080, 53079, 53170, 54440, 63804, 70772, 79755, 81660, 88465, 106158, 106340, 127608, 141544, 159510, 163320, 176930, 212316, 212680, 265395, 319020, 353860, 424632, 530790, 556649, 638040, 707720, 1061580, 1113298, 1669947, 2123160, 2226596, 2783245, 3339894, 4453192, 5566490, 6679788, 7236437, 8349735, 11132980, 13359576, 14472874, 16699470, 21709311, 22265960, 28945748, 33398940, 36182185, 43418622, 57891496, 66797880, 72364370, 86837244, 108546555, 144728740, 173674488, 217093110, 289457480, 434186220, 868372440]

約数ペア:

[(1, 868372440), (2, 434186220), (3, 289457480), (4, 217093110), (5, 173674488), (6, 144728740), (8, 108546555), (10, 86837244), (12, 72364370), (13, 66797880), (15, 57891496), (20, 43418622), (24, 36182185), (26, 33398940), (30, 28945748), (39, 22265960), (40, 21709311), (52, 16699470), (60, 14472874), (65, 13359576), (78, 11132980), (104, 8349735), (120, 7236437), (130, 6679788), (156, 5566490), (195, 4453192), (260, 3339894), (312, 2783245), (390, 2226596), (409, 2123160), (520, 1669947), (780, 1113298), (818, 1061580), (1227, 707720), (1361, 638040), (1560, 556649), (1636, 530790), (2045, 424632), (2454, 353860), (2722, 319020), (3272, 265395), (4083, 212680), (4090, 212316), (4908, 176930), (5317, 163320), (5444, 159510), (6135, 141544), (6805, 127608), (8166, 106340), (8180, 106158), (9816, 88465), (10634, 81660), (10888, 79755), (12270, 70772), (13610, 63804), (15951, 54440), (16332, 53170), (16360, 53079), (17693, 49080), (20415, 42536), (21268, 40830), (24540, 35386), (26585, 32664), (27220, 31902)]