128216325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 219985920

約数和(自身を除く): 91769595

約数列:

[1, 3, 5, 15, 25, 43, 75, 83, 129, 215, 249, 415, 479, 645, 1075, 1245, 1437, 2075, 2395, 3225, 3569, 6225, 7185, 10707, 11975, 17845, 20597, 35925, 39757, 53535, 61791, 89225, 102985, 119271, 198785, 267675, 308955, 514925, 596355, 993925, 1544775, 1709551, 2981775, 5128653, 8547755, 25643265, 42738775, 128216325]

約数ペア:

[(1, 128216325), (3, 42738775), (5, 25643265), (15, 8547755), (25, 5128653), (43, 2981775), (75, 1709551), (83, 1544775), (129, 993925), (215, 596355), (249, 514925), (415, 308955), (479, 267675), (645, 198785), (1075, 119271), (1245, 102985), (1437, 89225), (2075, 61791), (2395, 53535), (3225, 39757), (3569, 35925), (6225, 20597), (7185, 17845), (10707, 11975)]