212268420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12959}}^1$

素因数の和:12994

約数の個数: 144

約数和(自身を含む): 792529920

約数和(自身を除く): 580261500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 12959, 16380, 25918, 38877, 51836, 64795, 77754, 90713, 116631, 129590, 155508, 168467, 181426, 194385, 233262, 259180, 272139, 336934, 362852, 388770, 453565, 466524, 505401, 544278, 583155, 673868, 777540, 816417, 842335, 907130, 1010802, 1088556, 1166310, 1179269, 1360695, 1516203, 1632834, 1684670, 1814260, 2021604, 2332620, 2358538, 2527005, 2721390, 3032406, 3265668, 3369340, 3537807, 4082085, 4717076, 5054010, 5442780, 5896345, 6064812, 7075614, 7581015, 8164170, 10108020, 10613421, 11792690, 14151228, 15162030, 16328340, 17689035, 21226842, 23585380, 30324060, 35378070, 42453684, 53067105, 70756140, 106134210, 212268420]

約数ペア:

[(1, 212268420), (2, 106134210), (3, 70756140), (4, 53067105), (5, 42453684), (6, 35378070), (7, 30324060), (9, 23585380), (10, 21226842), (12, 17689035), (13, 16328340), (14, 15162030), (15, 14151228), (18, 11792690), (20, 10613421), (21, 10108020), (26, 8164170), (28, 7581015), (30, 7075614), (35, 6064812), (36, 5896345), (39, 5442780), (42, 5054010), (45, 4717076), (52, 4082085), (60, 3537807), (63, 3369340), (65, 3265668), (70, 3032406), (78, 2721390), (84, 2527005), (90, 2358538), (91, 2332620), (105, 2021604), (117, 1814260), (126, 1684670), (130, 1632834), (140, 1516203), (156, 1360695), (180, 1179269), (182, 1166310), (195, 1088556), (210, 1010802), (234, 907130), (252, 842335), (260, 816417), (273, 777540), (315, 673868), (364, 583155), (390, 544278), (420, 505401), (455, 466524), (468, 453565), (546, 388770), (585, 362852), (630, 336934), (780, 272139), (819, 259180), (910, 233262), (1092, 194385), (1170, 181426), (1260, 168467), (1365, 155508), (1638, 129590), (1820, 116631), (2340, 90713), (2730, 77754), (3276, 64795), (4095, 51836), (5460, 38877), (8190, 25918), (12959, 16380)]