21757440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2833}}^1$

素因数の和:2859

約数の個数: 80

約数和(自身を含む): 69580368

約数和(自身を除く): 47822928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2833, 3840, 5666, 7680, 8499, 11332, 14165, 16998, 22664, 28330, 33996, 42495, 45328, 56660, 67992, 84990, 90656, 113320, 135984, 169980, 181312, 226640, 271968, 339960, 362624, 453280, 543936, 679920, 725248, 906560, 1087872, 1359840, 1450496, 1813120, 2175744, 2719680, 3626240, 4351488, 5439360, 7252480, 10878720, 21757440]

約数ペア:

[(1, 21757440), (2, 10878720), (3, 7252480), (4, 5439360), (5, 4351488), (6, 3626240), (8, 2719680), (10, 2175744), (12, 1813120), (15, 1450496), (16, 1359840), (20, 1087872), (24, 906560), (30, 725248), (32, 679920), (40, 543936), (48, 453280), (60, 362624), (64, 339960), (80, 271968), (96, 226640), (120, 181312), (128, 169980), (160, 135984), (192, 113320), (240, 90656), (256, 84990), (320, 67992), (384, 56660), (480, 45328), (512, 42495), (640, 33996), (768, 28330), (960, 22664), (1280, 16998), (1536, 14165), (1920, 11332), (2560, 8499), (2833, 7680), (3840, 5666)]