256339728

素因数分解:

$2^4\times 3^6\times {\mathrm{21977}}^1$

素因数の和:22003

約数の個数: 70

約数和(自身を含む): 744680574

約数和(自身を除く): 488340846

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1944, 2916, 3888, 5832, 11664, 21977, 43954, 65931, 87908, 131862, 175816, 197793, 263724, 351632, 395586, 527448, 593379, 791172, 1054896, 1186758, 1582344, 1780137, 2373516, 3164688, 3560274, 4747032, 5340411, 7120548, 9494064, 10680822, 14241096, 16021233, 21361644, 28482192, 32042466, 42723288, 64084932, 85446576, 128169864, 256339728]

約数ペア:

[(1, 256339728), (2, 128169864), (3, 85446576), (4, 64084932), (6, 42723288), (8, 32042466), (9, 28482192), (12, 21361644), (16, 16021233), (18, 14241096), (24, 10680822), (27, 9494064), (36, 7120548), (48, 5340411), (54, 4747032), (72, 3560274), (81, 3164688), (108, 2373516), (144, 1780137), (162, 1582344), (216, 1186758), (243, 1054896), (324, 791172), (432, 593379), (486, 527448), (648, 395586), (729, 351632), (972, 263724), (1296, 197793), (1458, 175816), (1944, 131862), (2916, 87908), (3888, 65931), (5832, 43954), (11664, 21977)]