67887540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 216

約数和(自身を含む): 246486240

約数和(自身を除く): 178598700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 49, 60, 63, 70, 84, 86, 90, 98, 105, 126, 129, 140, 147, 172, 179, 180, 196, 210, 215, 245, 252, 258, 294, 301, 315, 358, 387, 420, 430, 441, 490, 516, 537, 588, 602, 630, 645, 716, 735, 774, 860, 882, 895, 903, 980, 1074, 1204, 1253, 1260, 1290, 1470, 1505, 1548, 1611, 1764, 1790, 1806, 1935, 2107, 2148, 2205, 2506, 2580, 2685, 2709, 2940, 3010, 3222, 3580, 3612, 3759, 3870, 4214, 4410, 4515, 5012, 5370, 5418, 6020, 6265, 6321, 6444, 7518, 7697, 7740, 8055, 8428, 8771, 8820, 9030, 10535, 10740, 10836, 11277, 12530, 12642, 13545, 15036, 15394, 16110, 17542, 18060, 18795, 18963, 21070, 22554, 23091, 25060, 25284, 26313, 27090, 30788, 31605, 32220, 35084, 37590, 37926, 38485, 42140, 43855, 45108, 46182, 52626, 53879, 54180, 56385, 63210, 69273, 75180, 75852, 76970, 78939, 87710, 92364, 94815, 105252, 107758, 112770, 115455, 126420, 131565, 138546, 153940, 157878, 161637, 175420, 189630, 215516, 225540, 230910, 263130, 269395, 277092, 315756, 323274, 346365, 377153, 379260, 394695, 461820, 484911, 526260, 538790, 646548, 692730, 754306, 789390, 808185, 969822, 1077580, 1131459, 1385460, 1508612, 1578780, 1616370, 1885765, 1939644, 2262918, 2424555, 3232740, 3394377, 3771530, 4525836, 4849110, 5657295, 6788754, 7543060, 9698220, 11314590, 13577508, 16971885, 22629180, 33943770, 67887540]

約数ペア:

[(1, 67887540), (2, 33943770), (3, 22629180), (4, 16971885), (5, 13577508), (6, 11314590), (7, 9698220), (9, 7543060), (10, 6788754), (12, 5657295), (14, 4849110), (15, 4525836), (18, 3771530), (20, 3394377), (21, 3232740), (28, 2424555), (30, 2262918), (35, 1939644), (36, 1885765), (42, 1616370), (43, 1578780), (45, 1508612), (49, 1385460), (60, 1131459), (63, 1077580), (70, 969822), (84, 808185), (86, 789390), (90, 754306), (98, 692730), (105, 646548), (126, 538790), (129, 526260), (140, 484911), (147, 461820), (172, 394695), (179, 379260), (180, 377153), (196, 346365), (210, 323274), (215, 315756), (245, 277092), (252, 269395), (258, 263130), (294, 230910), (301, 225540), (315, 215516), (358, 189630), (387, 175420), (420, 161637), (430, 157878), (441, 153940), (490, 138546), (516, 131565), (537, 126420), (588, 115455), (602, 112770), (630, 107758), (645, 105252), (716, 94815), (735, 92364), (774, 87710), (860, 78939), (882, 76970), (895, 75852), (903, 75180), (980, 69273), (1074, 63210), (1204, 56385), (1253, 54180), (1260, 53879), (1290, 52626), (1470, 46182), (1505, 45108), (1548, 43855), (1611, 42140), (1764, 38485), (1790, 37926), (1806, 37590), (1935, 35084), (2107, 32220), (2148, 31605), (2205, 30788), (2506, 27090), (2580, 26313), (2685, 25284), (2709, 25060), (2940, 23091), (3010, 22554), (3222, 21070), (3580, 18963), (3612, 18795), (3759, 18060), (3870, 17542), (4214, 16110), (4410, 15394), (4515, 15036), (5012, 13545), (5370, 12642), (5418, 12530), (6020, 11277), (6265, 10836), (6321, 10740), (6444, 10535), (7518, 9030), (7697, 8820), (7740, 8771), (8055, 8428)]