123753420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{1559}}^1$

素因数の和:1594

約数の個数: 180

約数和(自身を含む): 451891440

約数和(自身を除く): 328138020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1559, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3118, 3780, 3969, 4410, 4677, 5292, 5670, 6236, 6615, 7795, 7938, 8820, 9354, 10913, 11340, 13230, 14031, 15590, 15876, 18708, 19845, 21826, 23385, 26460, 28062, 31180, 32739, 39690, 42093, 43652, 46770, 54565, 56124, 65478, 70155, 76391, 79380, 84186, 93540, 98217, 109130, 126279, 130956, 140310, 152782, 163695, 168372, 196434, 210465, 218260, 229173, 252558, 280620, 294651, 305564, 327390, 381955, 392868, 420930, 458346, 491085, 505116, 589302, 631395, 654780, 687519, 763910, 841860, 883953, 916692, 982170, 1145865, 1178604, 1262790, 1375038, 1473255, 1527820, 1767906, 1964340, 2062557, 2291730, 2525580, 2750076, 2946510, 3437595, 3535812, 4125114, 4419765, 4583460, 5893020, 6187671, 6875190, 8250228, 8839530, 10312785, 12375342, 13750380, 17679060, 20625570, 24750684, 30938355, 41251140, 61876710, 123753420]

約数ペア:

[(1, 123753420), (2, 61876710), (3, 41251140), (4, 30938355), (5, 24750684), (6, 20625570), (7, 17679060), (9, 13750380), (10, 12375342), (12, 10312785), (14, 8839530), (15, 8250228), (18, 6875190), (20, 6187671), (21, 5893020), (27, 4583460), (28, 4419765), (30, 4125114), (35, 3535812), (36, 3437595), (42, 2946510), (45, 2750076), (49, 2525580), (54, 2291730), (60, 2062557), (63, 1964340), (70, 1767906), (81, 1527820), (84, 1473255), (90, 1375038), (98, 1262790), (105, 1178604), (108, 1145865), (126, 982170), (135, 916692), (140, 883953), (147, 841860), (162, 763910), (180, 687519), (189, 654780), (196, 631395), (210, 589302), (245, 505116), (252, 491085), (270, 458346), (294, 420930), (315, 392868), (324, 381955), (378, 327390), (405, 305564), (420, 294651), (441, 280620), (490, 252558), (540, 229173), (567, 218260), (588, 210465), (630, 196434), (735, 168372), (756, 163695), (810, 152782), (882, 140310), (945, 130956), (980, 126279), (1134, 109130), (1260, 98217), (1323, 93540), (1470, 84186), (1559, 79380), (1620, 76391), (1764, 70155), (1890, 65478), (2205, 56124), (2268, 54565), (2646, 46770), (2835, 43652), (2940, 42093), (3118, 39690), (3780, 32739), (3969, 31180), (4410, 28062), (4677, 26460), (5292, 23385), (5670, 21826), (6236, 19845), (6615, 18708), (7795, 15876), (7938, 15590), (8820, 14031), (9354, 13230), (10913, 11340)]