281164380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2801}}^1$

素因数の和:3059

約数の個数: 96

約数和(自身を含む): 903813120

約数和(自身を除く): 622648740

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, 239, 420, 478, 717, 956, 1195, 1434, 1673, 2390, 2801, 2868, 3346, 3585, 4780, 5019, 5602, 6692, 7170, 8365, 8403, 10038, 11204, 14005, 14340, 16730, 16806, 19607, 20076, 25095, 28010, 33460, 33612, 39214, 42015, 50190, 56020, 58821, 78428, 84030, 98035, 100380, 117642, 168060, 196070, 235284, 294105, 392140, 588210, 669439, 1176420, 1338878, 2008317, 2677756, 3347195, 4016634, 4686073, 6694390, 8033268, 9372146, 10041585, 13388780, 14058219, 18744292, 20083170, 23430365, 28116438, 40166340, 46860730, 56232876, 70291095, 93721460, 140582190, 281164380]

約数ペア:

[(1, 281164380), (2, 140582190), (3, 93721460), (4, 70291095), (5, 56232876), (6, 46860730), (7, 40166340), (10, 28116438), (12, 23430365), (14, 20083170), (15, 18744292), (20, 14058219), (21, 13388780), (28, 10041585), (30, 9372146), (35, 8033268), (42, 6694390), (60, 4686073), (70, 4016634), (84, 3347195), (105, 2677756), (140, 2008317), (210, 1338878), (239, 1176420), (420, 669439), (478, 588210), (717, 392140), (956, 294105), (1195, 235284), (1434, 196070), (1673, 168060), (2390, 117642), (2801, 100380), (2868, 98035), (3346, 84030), (3585, 78428), (4780, 58821), (5019, 56020), (5602, 50190), (6692, 42015), (7170, 39214), (8365, 33612), (8403, 33460), (10038, 28010), (11204, 25095), (14005, 20076), (14340, 19607), (16730, 16806)]