1520556075

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1201}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 2894810256

約数和(自身を除く): 1374254181

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 331, 425, 765, 993, 1201, 1275, 1655, 2979, 3603, 3825, 4965, 5627, 6005, 8275, 10809, 14895, 16881, 18015, 20417, 24825, 28135, 30025, 50643, 54045, 61251, 74475, 84405, 90075, 102085, 140675, 183753, 253215, 270225, 306255, 397531, 422025, 510425, 918765, 1192593, 1266075, 1531275, 1987655, 3577779, 4593825, 5962965, 6758027, 9938275, 17888895, 20274081, 29814825, 33790135, 60822243, 89444475, 101370405, 168950675, 304111215, 506852025, 1520556075]

約数ペア:

[(1, 1520556075), (3, 506852025), (5, 304111215), (9, 168950675), (15, 101370405), (17, 89444475), (25, 60822243), (45, 33790135), (51, 29814825), (75, 20274081), (85, 17888895), (153, 9938275), (225, 6758027), (255, 5962965), (331, 4593825), (425, 3577779), (765, 1987655), (993, 1531275), (1201, 1266075), (1275, 1192593), (1655, 918765), (2979, 510425), (3603, 422025), (3825, 397531), (4965, 306255), (5627, 270225), (6005, 253215), (8275, 183753), (10809, 140675), (14895, 102085), (16881, 90075), (18015, 84405), (20417, 74475), (24825, 61251), (28135, 54045), (30025, 50643)]