138785940

素因数分解:

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

素因数の和:243

約数の個数: 144

約数和(自身を含む): 445233600

約数和(自身を除く): 306447660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 139, 172, 180, 215, 258, 270, 278, 387, 417, 430, 516, 540, 556, 645, 695, 774, 834, 860, 1161, 1251, 1290, 1390, 1548, 1668, 1849, 1935, 2085, 2322, 2502, 2580, 2780, 3698, 3753, 3870, 4170, 4644, 5004, 5547, 5805, 5977, 6255, 7396, 7506, 7740, 8340, 9245, 11094, 11610, 11954, 12510, 15012, 16641, 17931, 18490, 18765, 22188, 23220, 23908, 25020, 27735, 29885, 33282, 35862, 36980, 37530, 49923, 53793, 55470, 59770, 66564, 71724, 75060, 83205, 89655, 99846, 107586, 110940, 119540, 161379, 166410, 179310, 199692, 215172, 249615, 257011, 268965, 322758, 332820, 358620, 499230, 514022, 537930, 645516, 771033, 806895, 998460, 1028044, 1075860, 1285055, 1542066, 1613790, 2313099, 2570110, 3084132, 3227580, 3855165, 4626198, 5140220, 6939297, 7710330, 9252396, 11565495, 13878594, 15420660, 23130990, 27757188, 34696485, 46261980, 69392970, 138785940]

約数ペア:

[(1, 138785940), (2, 69392970), (3, 46261980), (4, 34696485), (5, 27757188), (6, 23130990), (9, 15420660), (10, 13878594), (12, 11565495), (15, 9252396), (18, 7710330), (20, 6939297), (27, 5140220), (30, 4626198), (36, 3855165), (43, 3227580), (45, 3084132), (54, 2570110), (60, 2313099), (86, 1613790), (90, 1542066), (108, 1285055), (129, 1075860), (135, 1028044), (139, 998460), (172, 806895), (180, 771033), (215, 645516), (258, 537930), (270, 514022), (278, 499230), (387, 358620), (417, 332820), (430, 322758), (516, 268965), (540, 257011), (556, 249615), (645, 215172), (695, 199692), (774, 179310), (834, 166410), (860, 161379), (1161, 119540), (1251, 110940), (1290, 107586), (1390, 99846), (1548, 89655), (1668, 83205), (1849, 75060), (1935, 71724), (2085, 66564), (2322, 59770), (2502, 55470), (2580, 53793), (2780, 49923), (3698, 37530), (3753, 36980), (3870, 35862), (4170, 33282), (4644, 29885), (5004, 27735), (5547, 25020), (5805, 23908), (5977, 23220), (6255, 22188), (7396, 18765), (7506, 18490), (7740, 17931), (8340, 16641), (9245, 15012), (11094, 12510), (11610, 11954)]