20160657405

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{90017}}^1$

素因数の和:90120

約数の個数: 80

約数和(自身を含む): 41825963520

約数和(自身を除く): 21665306115

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 81, 105, 135, 189, 237, 315, 395, 405, 553, 567, 711, 945, 1185, 1659, 2133, 2765, 2835, 3555, 4977, 6399, 8295, 10665, 14931, 24885, 31995, 44793, 74655, 90017, 223965, 270051, 450085, 630119, 810153, 1350255, 1890357, 2430459, 3150595, 4050765, 5671071, 7111343, 7291377, 9451785, 12152295, 17013213, 21334029, 28355355, 35556715, 36456885, 49779401, 51039639, 64002087, 85066065, 106670145, 149338203, 192006261, 248897005, 255198195, 320010435, 448014609, 576018783, 746691015, 960031305, 1344043827, 2240073045, 2880093915, 4032131481, 6720219135, 20160657405]

約数ペア:

[(1, 20160657405), (3, 6720219135), (5, 4032131481), (7, 2880093915), (9, 2240073045), (15, 1344043827), (21, 960031305), (27, 746691015), (35, 576018783), (45, 448014609), (63, 320010435), (79, 255198195), (81, 248897005), (105, 192006261), (135, 149338203), (189, 106670145), (237, 85066065), (315, 64002087), (395, 51039639), (405, 49779401), (553, 36456885), (567, 35556715), (711, 28355355), (945, 21334029), (1185, 17013213), (1659, 12152295), (2133, 9451785), (2765, 7291377), (2835, 7111343), (3555, 5671071), (4977, 4050765), (6399, 3150595), (8295, 2430459), (10665, 1890357), (14931, 1350255), (24885, 810153), (31995, 630119), (44793, 450085), (74655, 270051), (90017, 223965)]