916428800

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2596

約数の個数: 144

約数和(自身を含む): 2597802480

約数和(自身を除く): 1681373680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 1024, 1120, 1280, 1400, 1600, 1792, 2048, 2240, 2557, 2560, 2800, 3200, 3584, 4480, 5114, 5120, 5600, 6400, 7168, 8960, 10228, 10240, 11200, 12785, 12800, 14336, 17899, 17920, 20456, 22400, 25570, 25600, 35798, 35840, 40912, 44800, 51140, 51200, 63925, 71596, 71680, 81824, 89495, 89600, 102280, 127850, 143192, 163648, 178990, 179200, 204560, 255700, 286384, 327296, 357980, 358400, 409120, 447475, 511400, 572768, 654592, 715960, 818240, 894950, 1022800, 1145536, 1309184, 1431920, 1636480, 1789900, 2045600, 2291072, 2618368, 2863840, 3272960, 3579800, 4091200, 4582144, 5236736, 5727680, 6545920, 7159600, 8182400, 9164288, 11455360, 13091840, 14319200, 16364800, 18328576, 22910720, 26183680, 28638400, 32729600, 36657152, 45821440, 57276800, 65459200, 91642880, 114553600, 130918400, 183285760, 229107200, 458214400, 916428800]

約数ペア:

[(1, 916428800), (2, 458214400), (4, 229107200), (5, 183285760), (7, 130918400), (8, 114553600), (10, 91642880), (14, 65459200), (16, 57276800), (20, 45821440), (25, 36657152), (28, 32729600), (32, 28638400), (35, 26183680), (40, 22910720), (50, 18328576), (56, 16364800), (64, 14319200), (70, 13091840), (80, 11455360), (100, 9164288), (112, 8182400), (128, 7159600), (140, 6545920), (160, 5727680), (175, 5236736), (200, 4582144), (224, 4091200), (256, 3579800), (280, 3272960), (320, 2863840), (350, 2618368), (400, 2291072), (448, 2045600), (512, 1789900), (560, 1636480), (640, 1431920), (700, 1309184), (800, 1145536), (896, 1022800), (1024, 894950), (1120, 818240), (1280, 715960), (1400, 654592), (1600, 572768), (1792, 511400), (2048, 447475), (2240, 409120), (2557, 358400), (2560, 357980), (2800, 327296), (3200, 286384), (3584, 255700), (4480, 204560), (5114, 179200), (5120, 178990), (5600, 163648), (6400, 143192), (7168, 127850), (8960, 102280), (10228, 89600), (10240, 89495), (11200, 81824), (12785, 71680), (12800, 71596), (14336, 63925), (17899, 51200), (17920, 51140), (20456, 44800), (22400, 40912), (25570, 35840), (25600, 35798)]