78841575

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 150012720

約数和(自身を除く): 71171145

約数列:

[1, 3, 5, 9, 15, 25, 29, 43, 45, 75, 87, 129, 145, 215, 225, 261, 281, 387, 435, 645, 725, 843, 1075, 1247, 1305, 1405, 1935, 2175, 2529, 3225, 3741, 4215, 6235, 6525, 7025, 8149, 9675, 11223, 12083, 12645, 18705, 21075, 24447, 31175, 36249, 40745, 56115, 60415, 63225, 73341, 93525, 108747, 122235, 181245, 203725, 280575, 302075, 350407, 366705, 543735, 611175, 906225, 1051221, 1752035, 1833525, 2718675, 3153663, 5256105, 8760175, 15768315, 26280525, 78841575]

約数ペア:

[(1, 78841575), (3, 26280525), (5, 15768315), (9, 8760175), (15, 5256105), (25, 3153663), (29, 2718675), (43, 1833525), (45, 1752035), (75, 1051221), (87, 906225), (129, 611175), (145, 543735), (215, 366705), (225, 350407), (261, 302075), (281, 280575), (387, 203725), (435, 181245), (645, 122235), (725, 108747), (843, 93525), (1075, 73341), (1247, 63225), (1305, 60415), (1405, 56115), (1935, 40745), (2175, 36249), (2529, 31175), (3225, 24447), (3741, 21075), (4215, 18705), (6235, 12645), (6525, 12083), (7025, 11223), (8149, 9675)]