28776960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{1249}}^1$

素因数の和:1278

約数の個数: 120

約数和(自身を含む): 99742500

約数和(自身を除く): 70965540

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, 512, 576, 640, 720, 768, 960, 1152, 1249, 1280, 1440, 1536, 1920, 2304, 2498, 2560, 2880, 3747, 3840, 4608, 4996, 5760, 6245, 7494, 7680, 9992, 11241, 11520, 12490, 14988, 18735, 19984, 22482, 23040, 24980, 29976, 37470, 39968, 44964, 49960, 56205, 59952, 74940, 79936, 89928, 99920, 112410, 119904, 149880, 159872, 179856, 199840, 224820, 239808, 299760, 319744, 359712, 399680, 449640, 479616, 599520, 639488, 719424, 799360, 899280, 959232, 1199040, 1438848, 1598720, 1798560, 1918464, 2398080, 2877696, 3197440, 3597120, 4796160, 5755392, 7194240, 9592320, 14388480, 28776960]

約数ペア:

[(1, 28776960), (2, 14388480), (3, 9592320), (4, 7194240), (5, 5755392), (6, 4796160), (8, 3597120), (9, 3197440), (10, 2877696), (12, 2398080), (15, 1918464), (16, 1798560), (18, 1598720), (20, 1438848), (24, 1199040), (30, 959232), (32, 899280), (36, 799360), (40, 719424), (45, 639488), (48, 599520), (60, 479616), (64, 449640), (72, 399680), (80, 359712), (90, 319744), (96, 299760), (120, 239808), (128, 224820), (144, 199840), (160, 179856), (180, 159872), (192, 149880), (240, 119904), (256, 112410), (288, 99920), (320, 89928), (360, 79936), (384, 74940), (480, 59952), (512, 56205), (576, 49960), (640, 44964), (720, 39968), (768, 37470), (960, 29976), (1152, 24980), (1249, 23040), (1280, 22482), (1440, 19984), (1536, 18735), (1920, 14988), (2304, 12490), (2498, 11520), (2560, 11241), (2880, 9992), (3747, 7680), (3840, 7494), (4608, 6245), (4996, 5760)]