77268420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 245044800

約数和(自身を除く): 167776380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 67, 86, 90, 129, 134, 149, 172, 180, 201, 215, 258, 268, 298, 335, 387, 402, 430, 447, 516, 596, 603, 645, 670, 745, 774, 804, 860, 894, 1005, 1206, 1290, 1340, 1341, 1490, 1548, 1788, 1935, 2010, 2235, 2412, 2580, 2682, 2881, 2980, 3015, 3870, 4020, 4470, 5364, 5762, 6030, 6407, 6705, 7740, 8643, 8940, 9983, 11524, 12060, 12814, 13410, 14405, 17286, 19221, 19966, 25628, 25929, 26820, 28810, 29949, 32035, 34572, 38442, 39932, 43215, 49915, 51858, 57620, 57663, 59898, 64070, 76884, 86430, 89847, 96105, 99830, 103716, 115326, 119796, 128140, 129645, 149745, 172860, 179694, 192210, 199660, 230652, 259290, 288315, 299490, 359388, 384420, 429269, 449235, 518580, 576630, 598980, 858538, 898470, 1153260, 1287807, 1717076, 1796940, 2146345, 2575614, 3863421, 4292690, 5151228, 6439035, 7726842, 8585380, 12878070, 15453684, 19317105, 25756140, 38634210, 77268420]

約数ペア:

[(1, 77268420), (2, 38634210), (3, 25756140), (4, 19317105), (5, 15453684), (6, 12878070), (9, 8585380), (10, 7726842), (12, 6439035), (15, 5151228), (18, 4292690), (20, 3863421), (30, 2575614), (36, 2146345), (43, 1796940), (45, 1717076), (60, 1287807), (67, 1153260), (86, 898470), (90, 858538), (129, 598980), (134, 576630), (149, 518580), (172, 449235), (180, 429269), (201, 384420), (215, 359388), (258, 299490), (268, 288315), (298, 259290), (335, 230652), (387, 199660), (402, 192210), (430, 179694), (447, 172860), (516, 149745), (596, 129645), (603, 128140), (645, 119796), (670, 115326), (745, 103716), (774, 99830), (804, 96105), (860, 89847), (894, 86430), (1005, 76884), (1206, 64070), (1290, 59898), (1340, 57663), (1341, 57620), (1490, 51858), (1548, 49915), (1788, 43215), (1935, 39932), (2010, 38442), (2235, 34572), (2412, 32035), (2580, 29949), (2682, 28810), (2881, 26820), (2980, 25929), (3015, 25628), (3870, 19966), (4020, 19221), (4470, 17286), (5364, 14405), (5762, 13410), (6030, 12814), (6407, 12060), (6705, 11524), (7740, 9983), (8643, 8940)]