256558140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75017}}^1$

素因数の和:75051

約数の個数: 72

約数和(自身を含む): 819196560

約数和(自身を除く): 562638420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 75017, 150034, 225051, 300068, 375085, 450102, 675153, 750170, 900204, 1125255, 1350306, 1425323, 1500340, 2250510, 2700612, 2850646, 3375765, 4275969, 4501020, 5701292, 6751530, 7126615, 8551938, 12827907, 13503060, 14253230, 17103876, 21379845, 25655814, 28506460, 42759690, 51311628, 64139535, 85519380, 128279070, 256558140]

約数ペア:

[(1, 256558140), (2, 128279070), (3, 85519380), (4, 64139535), (5, 51311628), (6, 42759690), (9, 28506460), (10, 25655814), (12, 21379845), (15, 17103876), (18, 14253230), (19, 13503060), (20, 12827907), (30, 8551938), (36, 7126615), (38, 6751530), (45, 5701292), (57, 4501020), (60, 4275969), (76, 3375765), (90, 2850646), (95, 2700612), (114, 2250510), (171, 1500340), (180, 1425323), (190, 1350306), (228, 1125255), (285, 900204), (342, 750170), (380, 675153), (570, 450102), (684, 375085), (855, 300068), (1140, 225051), (1710, 150034), (3420, 75017)]