78931875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 148452480

約数和(自身を除く): 69520605

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 89, 125, 129, 165, 215, 267, 275, 375, 445, 473, 625, 645, 825, 979, 1075, 1335, 1375, 1419, 1875, 2225, 2365, 2937, 3225, 3827, 4125, 4895, 5375, 6675, 6875, 7095, 11125, 11481, 11825, 14685, 16125, 19135, 20625, 24475, 26875, 33375, 35475, 42097, 55625, 57405, 59125, 73425, 80625, 95675, 122375, 126291, 166875, 177375, 210485, 287025, 295625, 367125, 478375, 611875, 631455, 886875, 1052425, 1435125, 1835625, 2391875, 3157275, 5262125, 7175625, 15786375, 26310625, 78931875]

約数ペア:

[(1, 78931875), (3, 26310625), (5, 15786375), (11, 7175625), (15, 5262125), (25, 3157275), (33, 2391875), (43, 1835625), (55, 1435125), (75, 1052425), (89, 886875), (125, 631455), (129, 611875), (165, 478375), (215, 367125), (267, 295625), (275, 287025), (375, 210485), (445, 177375), (473, 166875), (625, 126291), (645, 122375), (825, 95675), (979, 80625), (1075, 73425), (1335, 59125), (1375, 57405), (1419, 55625), (1875, 42097), (2225, 35475), (2365, 33375), (2937, 26875), (3225, 24475), (3827, 20625), (4125, 19135), (4895, 16125), (5375, 14685), (6675, 11825), (6875, 11481), (7095, 11125)]