64741875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 122060928

約数和(自身を除く): 57319053

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 73, 75, 125, 129, 165, 215, 219, 275, 365, 375, 473, 625, 645, 803, 825, 1075, 1095, 1375, 1419, 1825, 1875, 2365, 2409, 3139, 3225, 4015, 4125, 5375, 5475, 6875, 7095, 9125, 9417, 11825, 12045, 15695, 16125, 20075, 20625, 26875, 27375, 34529, 35475, 45625, 47085, 59125, 60225, 78475, 80625, 100375, 103587, 136875, 172645, 177375, 235425, 295625, 301125, 392375, 501875, 517935, 863225, 886875, 1177125, 1505625, 1961875, 2589675, 4316125, 5885625, 12948375, 21580625, 64741875]

約数ペア:

[(1, 64741875), (3, 21580625), (5, 12948375), (11, 5885625), (15, 4316125), (25, 2589675), (33, 1961875), (43, 1505625), (55, 1177125), (73, 886875), (75, 863225), (125, 517935), (129, 501875), (165, 392375), (215, 301125), (219, 295625), (275, 235425), (365, 177375), (375, 172645), (473, 136875), (625, 103587), (645, 100375), (803, 80625), (825, 78475), (1075, 60225), (1095, 59125), (1375, 47085), (1419, 45625), (1825, 35475), (1875, 34529), (2365, 27375), (2409, 26875), (3139, 20625), (3225, 20075), (4015, 16125), (4125, 15695), (5375, 12045), (5475, 11825), (6875, 9417), (7095, 9125)]