65502780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{593}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 210760704

約数和(自身を除く): 145257924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 263, 420, 526, 593, 789, 1052, 1186, 1315, 1578, 1779, 1841, 2372, 2630, 2965, 3156, 3558, 3682, 3945, 4151, 5260, 5523, 5930, 7116, 7364, 7890, 8302, 8895, 9205, 11046, 11860, 12453, 15780, 16604, 17790, 18410, 20755, 22092, 24906, 27615, 35580, 36820, 41510, 49812, 55230, 62265, 83020, 110460, 124530, 155959, 249060, 311918, 467877, 623836, 779795, 935754, 1091713, 1559590, 1871508, 2183426, 2339385, 3119180, 3275139, 4366852, 4678770, 5458565, 6550278, 9357540, 10917130, 13100556, 16375695, 21834260, 32751390, 65502780]

約数ペア:

[(1, 65502780), (2, 32751390), (3, 21834260), (4, 16375695), (5, 13100556), (6, 10917130), (7, 9357540), (10, 6550278), (12, 5458565), (14, 4678770), (15, 4366852), (20, 3275139), (21, 3119180), (28, 2339385), (30, 2183426), (35, 1871508), (42, 1559590), (60, 1091713), (70, 935754), (84, 779795), (105, 623836), (140, 467877), (210, 311918), (263, 249060), (420, 155959), (526, 124530), (593, 110460), (789, 83020), (1052, 62265), (1186, 55230), (1315, 49812), (1578, 41510), (1779, 36820), (1841, 35580), (2372, 27615), (2630, 24906), (2965, 22092), (3156, 20755), (3558, 18410), (3682, 17790), (3945, 16604), (4151, 15780), (5260, 12453), (5523, 11860), (5930, 11046), (7116, 9205), (7364, 8895), (7890, 8302)]