216412720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{701}}^1$

素因数の和:958

約数の個数: 80

約数和(自身を含む): 535867488

約数和(自身を除く): 319454768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 227, 272, 340, 454, 680, 701, 908, 1135, 1360, 1402, 1816, 2270, 2804, 3505, 3632, 3859, 4540, 5608, 7010, 7718, 9080, 11216, 11917, 14020, 15436, 18160, 19295, 23834, 28040, 30872, 38590, 47668, 56080, 59585, 61744, 77180, 95336, 119170, 154360, 159127, 190672, 238340, 308720, 318254, 476680, 636508, 795635, 953360, 1273016, 1591270, 2546032, 2705159, 3182540, 5410318, 6365080, 10820636, 12730160, 13525795, 21641272, 27051590, 43282544, 54103180, 108206360, 216412720]

約数ペア:

[(1, 216412720), (2, 108206360), (4, 54103180), (5, 43282544), (8, 27051590), (10, 21641272), (16, 13525795), (17, 12730160), (20, 10820636), (34, 6365080), (40, 5410318), (68, 3182540), (80, 2705159), (85, 2546032), (136, 1591270), (170, 1273016), (227, 953360), (272, 795635), (340, 636508), (454, 476680), (680, 318254), (701, 308720), (908, 238340), (1135, 190672), (1360, 159127), (1402, 154360), (1816, 119170), (2270, 95336), (2804, 77180), (3505, 61744), (3632, 59585), (3859, 56080), (4540, 47668), (5608, 38590), (7010, 30872), (7718, 28040), (9080, 23834), (11216, 19295), (11917, 18160), (14020, 15436)]