280213740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{14549}}^1$

素因数の和:14671

約数の個数: 72

約数和(自身を含む): 857984400

約数和(自身を除く): 577770660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4815, 6420, 9630, 14549, 19260, 29098, 43647, 58196, 72745, 87294, 130941, 145490, 174588, 218235, 261882, 290980, 436470, 523764, 654705, 872940, 1309410, 1556743, 2618820, 3113486, 4670229, 6226972, 7783715, 9340458, 14010687, 15567430, 18680916, 23351145, 28021374, 31134860, 46702290, 56042748, 70053435, 93404580, 140106870, 280213740]

約数ペア:

[(1, 280213740), (2, 140106870), (3, 93404580), (4, 70053435), (5, 56042748), (6, 46702290), (9, 31134860), (10, 28021374), (12, 23351145), (15, 18680916), (18, 15567430), (20, 14010687), (30, 9340458), (36, 7783715), (45, 6226972), (60, 4670229), (90, 3113486), (107, 2618820), (180, 1556743), (214, 1309410), (321, 872940), (428, 654705), (535, 523764), (642, 436470), (963, 290980), (1070, 261882), (1284, 218235), (1605, 174588), (1926, 145490), (2140, 130941), (3210, 87294), (3852, 72745), (4815, 58196), (6420, 43647), (9630, 29098), (14549, 19260)]