68225920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 189524160

約数和(自身を除く): 121298240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 157, 160, 194, 224, 280, 314, 320, 388, 448, 485, 560, 628, 640, 679, 776, 785, 896, 970, 1099, 1120, 1256, 1358, 1552, 1570, 1940, 2198, 2240, 2512, 2716, 3104, 3140, 3395, 3880, 4396, 4480, 5024, 5432, 5495, 6208, 6280, 6790, 7760, 8792, 10048, 10864, 10990, 12416, 12560, 13580, 15229, 15520, 17584, 20096, 21728, 21980, 25120, 27160, 30458, 31040, 35168, 43456, 43960, 50240, 54320, 60916, 62080, 70336, 76145, 86912, 87920, 100480, 106603, 108640, 121832, 140672, 152290, 175840, 213206, 217280, 243664, 304580, 351680, 426412, 434560, 487328, 533015, 609160, 703360, 852824, 974656, 1066030, 1218320, 1705648, 1949312, 2132060, 2436640, 3411296, 4264120, 4873280, 6822592, 8528240, 9746560, 13645184, 17056480, 34112960, 68225920]

約数ペア:

[(1, 68225920), (2, 34112960), (4, 17056480), (5, 13645184), (7, 9746560), (8, 8528240), (10, 6822592), (14, 4873280), (16, 4264120), (20, 3411296), (28, 2436640), (32, 2132060), (35, 1949312), (40, 1705648), (56, 1218320), (64, 1066030), (70, 974656), (80, 852824), (97, 703360), (112, 609160), (128, 533015), (140, 487328), (157, 434560), (160, 426412), (194, 351680), (224, 304580), (280, 243664), (314, 217280), (320, 213206), (388, 175840), (448, 152290), (485, 140672), (560, 121832), (628, 108640), (640, 106603), (679, 100480), (776, 87920), (785, 86912), (896, 76145), (970, 70336), (1099, 62080), (1120, 60916), (1256, 54320), (1358, 50240), (1552, 43960), (1570, 43456), (1940, 35168), (2198, 31040), (2240, 30458), (2512, 27160), (2716, 25120), (3104, 21980), (3140, 21728), (3395, 20096), (3880, 17584), (4396, 15520), (4480, 15229), (5024, 13580), (5432, 12560), (5495, 12416), (6208, 10990), (6280, 10864), (6790, 10048), (7760, 8792)]