78189075

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 151463520

約数和(自身を除く): 73274445

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 115, 145, 207, 225, 261, 345, 435, 521, 575, 667, 725, 1035, 1305, 1563, 1725, 2001, 2175, 2605, 3335, 4689, 5175, 6003, 6525, 7815, 10005, 11983, 13025, 15109, 16675, 23445, 30015, 35949, 39075, 45327, 50025, 59915, 75545, 107847, 117225, 135981, 150075, 179745, 226635, 299575, 347507, 377725, 539235, 679905, 898725, 1042521, 1133175, 1737535, 2696175, 3127563, 3399525, 5212605, 8687675, 15637815, 26063025, 78189075]

約数ペア:

[(1, 78189075), (3, 26063025), (5, 15637815), (9, 8687675), (15, 5212605), (23, 3399525), (25, 3127563), (29, 2696175), (45, 1737535), (69, 1133175), (75, 1042521), (87, 898725), (115, 679905), (145, 539235), (207, 377725), (225, 347507), (261, 299575), (345, 226635), (435, 179745), (521, 150075), (575, 135981), (667, 117225), (725, 107847), (1035, 75545), (1305, 59915), (1563, 50025), (1725, 45327), (2001, 39075), (2175, 35949), (2605, 30015), (3335, 23445), (4689, 16675), (5175, 15109), (6003, 13025), (6525, 11983), (7815, 10005)]