1218891900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{176651}}^1$

素因数の和:176691

約数の個数: 72

約数和(自身を含む): 3680014464

約数和(自身を除く): 2461122564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 3450, 6900, 176651, 353302, 529953, 706604, 883255, 1059906, 1766510, 2119812, 2649765, 3533020, 4062973, 4416275, 5299530, 8125946, 8832550, 10599060, 12188919, 13248825, 16251892, 17665100, 20314865, 24377838, 26497650, 40629730, 48755676, 52995300, 60944595, 81259460, 101574325, 121889190, 203148650, 243778380, 304722975, 406297300, 609445950, 1218891900]

約数ペア:

[(1, 1218891900), (2, 609445950), (3, 406297300), (4, 304722975), (5, 243778380), (6, 203148650), (10, 121889190), (12, 101574325), (15, 81259460), (20, 60944595), (23, 52995300), (25, 48755676), (30, 40629730), (46, 26497650), (50, 24377838), (60, 20314865), (69, 17665100), (75, 16251892), (92, 13248825), (100, 12188919), (115, 10599060), (138, 8832550), (150, 8125946), (230, 5299530), (276, 4416275), (300, 4062973), (345, 3533020), (460, 2649765), (575, 2119812), (690, 1766510), (1150, 1059906), (1380, 883255), (1725, 706604), (2300, 529953), (3450, 353302), (6900, 176651)]