279622720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67217}}^1$

素因数の和:67247

約数の個数: 56

約数和(自身を含む): 717081624

約数和(自身を除く): 437458904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 67217, 134434, 268868, 336085, 537736, 672170, 873821, 1075472, 1344340, 1747642, 2150944, 2688680, 3495284, 4301888, 4369105, 5377360, 6990568, 8738210, 10754720, 13981136, 17476420, 21509440, 27962272, 34952840, 55924544, 69905680, 139811360, 279622720]

約数ペア:

[(1, 279622720), (2, 139811360), (4, 69905680), (5, 55924544), (8, 34952840), (10, 27962272), (13, 21509440), (16, 17476420), (20, 13981136), (26, 10754720), (32, 8738210), (40, 6990568), (52, 5377360), (64, 4369105), (65, 4301888), (80, 3495284), (104, 2688680), (130, 2150944), (160, 1747642), (208, 1344340), (260, 1075472), (320, 873821), (416, 672170), (520, 537736), (832, 336085), (1040, 268868), (2080, 134434), (4160, 67217)]