20125440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1747}}^1$

素因数の和:1774

約数の個数: 108

約数和(自身を含む): 69671784

約数和(自身を除く): 49546344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1747, 1920, 2304, 2880, 3494, 3840, 5241, 5760, 6988, 8735, 10482, 11520, 13976, 15723, 17470, 20964, 26205, 27952, 31446, 34940, 41928, 52410, 55904, 62892, 69880, 78615, 83856, 104820, 111808, 125784, 139760, 157230, 167712, 209640, 223616, 251568, 279520, 314460, 335424, 419280, 447232, 503136, 559040, 628920, 670848, 838560, 1006272, 1118080, 1257840, 1341696, 1677120, 2012544, 2236160, 2515680, 3354240, 4025088, 5031360, 6708480, 10062720, 20125440]

約数ペア:

[(1, 20125440), (2, 10062720), (3, 6708480), (4, 5031360), (5, 4025088), (6, 3354240), (8, 2515680), (9, 2236160), (10, 2012544), (12, 1677120), (15, 1341696), (16, 1257840), (18, 1118080), (20, 1006272), (24, 838560), (30, 670848), (32, 628920), (36, 559040), (40, 503136), (45, 447232), (48, 419280), (60, 335424), (64, 314460), (72, 279520), (80, 251568), (90, 223616), (96, 209640), (120, 167712), (128, 157230), (144, 139760), (160, 125784), (180, 111808), (192, 104820), (240, 83856), (256, 78615), (288, 69880), (320, 62892), (360, 55904), (384, 52410), (480, 41928), (576, 34940), (640, 31446), (720, 27952), (768, 26205), (960, 20964), (1152, 17470), (1280, 15723), (1440, 13976), (1747, 11520), (1920, 10482), (2304, 8735), (2880, 6988), (3494, 5760), (3840, 5241)]