128922800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:367

約数の個数: 120

約数和(自身を含む): 329538432

約数和(自身を除く): 200615632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 37, 40, 50, 62, 74, 80, 100, 124, 148, 155, 185, 200, 248, 281, 296, 310, 370, 400, 496, 562, 592, 620, 740, 775, 925, 1124, 1147, 1240, 1405, 1480, 1550, 1850, 2248, 2294, 2480, 2810, 2960, 3100, 3700, 4496, 4588, 5620, 5735, 6200, 7025, 7400, 8711, 9176, 10397, 11240, 11470, 12400, 14050, 14800, 17422, 18352, 20794, 22480, 22940, 28100, 28675, 34844, 41588, 43555, 45880, 51985, 56200, 57350, 69688, 83176, 87110, 91760, 103970, 112400, 114700, 139376, 166352, 174220, 207940, 217775, 229400, 259925, 322307, 348440, 415880, 435550, 458800, 519850, 644614, 696880, 831760, 871100, 1039700, 1289228, 1611535, 1742200, 2079400, 2578456, 3223070, 3484400, 4158800, 5156912, 6446140, 8057675, 12892280, 16115350, 25784560, 32230700, 64461400, 128922800]

約数ペア:

[(1, 128922800), (2, 64461400), (4, 32230700), (5, 25784560), (8, 16115350), (10, 12892280), (16, 8057675), (20, 6446140), (25, 5156912), (31, 4158800), (37, 3484400), (40, 3223070), (50, 2578456), (62, 2079400), (74, 1742200), (80, 1611535), (100, 1289228), (124, 1039700), (148, 871100), (155, 831760), (185, 696880), (200, 644614), (248, 519850), (281, 458800), (296, 435550), (310, 415880), (370, 348440), (400, 322307), (496, 259925), (562, 229400), (592, 217775), (620, 207940), (740, 174220), (775, 166352), (925, 139376), (1124, 114700), (1147, 112400), (1240, 103970), (1405, 91760), (1480, 87110), (1550, 83176), (1850, 69688), (2248, 57350), (2294, 56200), (2480, 51985), (2810, 45880), (2960, 43555), (3100, 41588), (3700, 34844), (4496, 28675), (4588, 28100), (5620, 22940), (5735, 22480), (6200, 20794), (7025, 18352), (7400, 17422), (8711, 14800), (9176, 14050), (10397, 12400), (11240, 11470)]