28340640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19681}}^1$

素因数の和:19702

約数の個数: 72

約数和(自身を含む): 96717348

約数和(自身を除く): 68376708

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, 19681, 39362, 59043, 78724, 98405, 118086, 157448, 177129, 196810, 236172, 295215, 314896, 354258, 393620, 472344, 590430, 629792, 708516, 787240, 885645, 944688, 1180860, 1417032, 1574480, 1771290, 1889376, 2361720, 2834064, 3148960, 3542580, 4723440, 5668128, 7085160, 9446880, 14170320, 28340640]

約数ペア:

[(1, 28340640), (2, 14170320), (3, 9446880), (4, 7085160), (5, 5668128), (6, 4723440), (8, 3542580), (9, 3148960), (10, 2834064), (12, 2361720), (15, 1889376), (16, 1771290), (18, 1574480), (20, 1417032), (24, 1180860), (30, 944688), (32, 885645), (36, 787240), (40, 708516), (45, 629792), (48, 590430), (60, 472344), (72, 393620), (80, 354258), (90, 314896), (96, 295215), (120, 236172), (144, 196810), (160, 177129), (180, 157448), (240, 118086), (288, 98405), (360, 78724), (480, 59043), (720, 39362), (1440, 19681)]