205736720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21611}}^1$

素因数の和:21648

約数の個数: 80

約数和(自身を含む): 578855808

約数和(自身を除く): 373119088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 21611, 43222, 86444, 108055, 151277, 172888, 216110, 302554, 345776, 367387, 432220, 605108, 734774, 756385, 864440, 1210216, 1469548, 1512770, 1728880, 1836935, 2420432, 2571709, 2939096, 3025540, 3673870, 5143418, 5878192, 6051080, 7347740, 10286836, 12102160, 12858545, 14695480, 20573672, 25717090, 29390960, 41147344, 51434180, 102868360, 205736720]

約数ペア:

[(1, 205736720), (2, 102868360), (4, 51434180), (5, 41147344), (7, 29390960), (8, 25717090), (10, 20573672), (14, 14695480), (16, 12858545), (17, 12102160), (20, 10286836), (28, 7347740), (34, 6051080), (35, 5878192), (40, 5143418), (56, 3673870), (68, 3025540), (70, 2939096), (80, 2571709), (85, 2420432), (112, 1836935), (119, 1728880), (136, 1512770), (140, 1469548), (170, 1210216), (238, 864440), (272, 756385), (280, 734774), (340, 605108), (476, 432220), (560, 367387), (595, 345776), (680, 302554), (952, 216110), (1190, 172888), (1360, 151277), (1904, 108055), (2380, 86444), (4760, 43222), (9520, 21611)]