620560920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2129}}^1$

素因数の和:2497

約数の個数: 128

約数和(自身を含む): 2134771200

約数和(自身を除く): 1514210280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 347, 420, 694, 840, 1041, 1388, 1735, 2082, 2129, 2429, 2776, 3470, 4164, 4258, 4858, 5205, 6387, 6940, 7287, 8328, 8516, 9716, 10410, 10645, 12145, 12774, 13880, 14574, 14903, 17032, 19432, 20820, 21290, 24290, 25548, 29148, 29806, 31935, 36435, 41640, 42580, 44709, 48580, 51096, 58296, 59612, 63870, 72870, 74515, 85160, 89418, 97160, 119224, 127740, 145740, 149030, 178836, 223545, 255480, 291480, 298060, 357672, 447090, 596120, 738763, 894180, 1477526, 1788360, 2216289, 2955052, 3693815, 4432578, 5171341, 5910104, 7387630, 8865156, 10342682, 11081445, 14775260, 15514023, 17730312, 20685364, 22162890, 25856705, 29550520, 31028046, 41370728, 44325780, 51713410, 62056092, 77570115, 88651560, 103426820, 124112184, 155140230, 206853640, 310280460, 620560920]

約数ペア:

[(1, 620560920), (2, 310280460), (3, 206853640), (4, 155140230), (5, 124112184), (6, 103426820), (7, 88651560), (8, 77570115), (10, 62056092), (12, 51713410), (14, 44325780), (15, 41370728), (20, 31028046), (21, 29550520), (24, 25856705), (28, 22162890), (30, 20685364), (35, 17730312), (40, 15514023), (42, 14775260), (56, 11081445), (60, 10342682), (70, 8865156), (84, 7387630), (105, 5910104), (120, 5171341), (140, 4432578), (168, 3693815), (210, 2955052), (280, 2216289), (347, 1788360), (420, 1477526), (694, 894180), (840, 738763), (1041, 596120), (1388, 447090), (1735, 357672), (2082, 298060), (2129, 291480), (2429, 255480), (2776, 223545), (3470, 178836), (4164, 149030), (4258, 145740), (4858, 127740), (5205, 119224), (6387, 97160), (6940, 89418), (7287, 85160), (8328, 74515), (8516, 72870), (9716, 63870), (10410, 59612), (10645, 58296), (12145, 51096), (12774, 48580), (13880, 44709), (14574, 42580), (14903, 41640), (17032, 36435), (19432, 31935), (20820, 29806), (21290, 29148), (24290, 25548)]