1721376

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 5045040

約数和(自身を除く): 3323664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 139, 144, 172, 258, 278, 288, 344, 387, 417, 516, 556, 688, 774, 834, 1032, 1112, 1251, 1376, 1548, 1668, 2064, 2224, 2502, 3096, 3336, 4128, 4448, 5004, 5977, 6192, 6672, 10008, 11954, 12384, 13344, 17931, 20016, 23908, 35862, 40032, 47816, 53793, 71724, 95632, 107586, 143448, 191264, 215172, 286896, 430344, 573792, 860688, 1721376]

約数ペア:

[(1, 1721376), (2, 860688), (3, 573792), (4, 430344), (6, 286896), (8, 215172), (9, 191264), (12, 143448), (16, 107586), (18, 95632), (24, 71724), (32, 53793), (36, 47816), (43, 40032), (48, 35862), (72, 23908), (86, 20016), (96, 17931), (129, 13344), (139, 12384), (144, 11954), (172, 10008), (258, 6672), (278, 6192), (288, 5977), (344, 5004), (387, 4448), (417, 4128), (516, 3336), (556, 3096), (688, 2502), (774, 2224), (834, 2064), (1032, 1668), (1112, 1548), (1251, 1376)]