209780640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145681}}^1$

素因数の和:145702

約数の個数: 72

約数和(自身を含む): 715881348

約数和(自身を除く): 506100708

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145681, 291362, 437043, 582724, 728405, 874086, 1165448, 1311129, 1456810, 1748172, 2185215, 2330896, 2622258, 2913620, 3496344, 4370430, 4661792, 5244516, 5827240, 6555645, 6992688, 8740860, 10489032, 11654480, 13111290, 13985376, 17481720, 20978064, 23308960, 26222580, 34963440, 41956128, 52445160, 69926880, 104890320, 209780640]

約数ペア:

[(1, 209780640), (2, 104890320), (3, 69926880), (4, 52445160), (5, 41956128), (6, 34963440), (8, 26222580), (9, 23308960), (10, 20978064), (12, 17481720), (15, 13985376), (16, 13111290), (18, 11654480), (20, 10489032), (24, 8740860), (30, 6992688), (32, 6555645), (36, 5827240), (40, 5244516), (45, 4661792), (48, 4370430), (60, 3496344), (72, 2913620), (80, 2622258), (90, 2330896), (96, 2185215), (120, 1748172), (144, 1456810), (160, 1311129), (180, 1165448), (240, 874086), (288, 728405), (360, 582724), (480, 437043), (720, 291362), (1440, 145681)]