768001875

素因数分解:

$3^1\times 5^4\times {\mathrm{149}}^1\times {\mathrm{2749}}^1$

素因数の和:2921

約数の個数: 40

約数和(自身を含む): 1288650000

約数和(自身を除く): 520648125

約数列:

[1, 3, 5, 15, 25, 75, 125, 149, 375, 447, 625, 745, 1875, 2235, 2749, 3725, 8247, 11175, 13745, 18625, 41235, 55875, 68725, 93125, 206175, 279375, 343625, 409601, 1030875, 1228803, 1718125, 2048005, 5154375, 6144015, 10240025, 30720075, 51200125, 153600375, 256000625, 768001875]

約数ペア:

[(1, 768001875), (3, 256000625), (5, 153600375), (15, 51200125), (25, 30720075), (75, 10240025), (125, 6144015), (149, 5154375), (375, 2048005), (447, 1718125), (625, 1228803), (745, 1030875), (1875, 409601), (2235, 343625), (2749, 279375), (3725, 206175), (8247, 93125), (11175, 68725), (13745, 55875), (18625, 41235)]