240196280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2040

約数の個数: 64

約数和(自身を含む): 560878560

約数和(自身を除く): 320682280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 146, 172, 215, 292, 344, 365, 430, 584, 730, 860, 1460, 1720, 1913, 2920, 3139, 3826, 6278, 7652, 9565, 12556, 15304, 15695, 19130, 25112, 31390, 38260, 62780, 76520, 82259, 125560, 139649, 164518, 279298, 329036, 411295, 558596, 658072, 698245, 822590, 1117192, 1396490, 1645180, 2792980, 3290360, 5585960, 6004907, 12009814, 24019628, 30024535, 48039256, 60049070, 120098140, 240196280]

約数ペア:

[(1, 240196280), (2, 120098140), (4, 60049070), (5, 48039256), (8, 30024535), (10, 24019628), (20, 12009814), (40, 6004907), (43, 5585960), (73, 3290360), (86, 2792980), (146, 1645180), (172, 1396490), (215, 1117192), (292, 822590), (344, 698245), (365, 658072), (430, 558596), (584, 411295), (730, 329036), (860, 279298), (1460, 164518), (1720, 139649), (1913, 125560), (2920, 82259), (3139, 76520), (3826, 62780), (6278, 38260), (7652, 31390), (9565, 25112), (12556, 19130), (15304, 15695)]