78615825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 140110080

約数和(自身を除く): 61494255

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 817, 1075, 1283, 1425, 2451, 3225, 3849, 4085, 6415, 12255, 19245, 20425, 24377, 32075, 55169, 61275, 73131, 96225, 121885, 165507, 275845, 365655, 609425, 827535, 1048211, 1379225, 1828275, 3144633, 4137675, 5241055, 15723165, 26205275, 78615825]

約数ペア:

[(1, 78615825), (3, 26205275), (5, 15723165), (15, 5241055), (19, 4137675), (25, 3144633), (43, 1828275), (57, 1379225), (75, 1048211), (95, 827535), (129, 609425), (215, 365655), (285, 275845), (475, 165507), (645, 121885), (817, 96225), (1075, 73131), (1283, 61275), (1425, 55169), (2451, 32075), (3225, 24377), (3849, 20425), (4085, 19245), (6415, 12255)]