16621440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:820

約数の個数: 128

約数和(自身を含む): 57870720

約数和(自身を除く): 41249280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 787, 880, 960, 1056, 1320, 1408, 1574, 1760, 1920, 2112, 2361, 2640, 3148, 3520, 3935, 4224, 4722, 5280, 6296, 7040, 7870, 8657, 9444, 10560, 11805, 12592, 15740, 17314, 18888, 21120, 23610, 25184, 25971, 31480, 34628, 37776, 43285, 47220, 50368, 51942, 62960, 69256, 75552, 86570, 94440, 100736, 103884, 125920, 129855, 138512, 151104, 173140, 188880, 207768, 251840, 259710, 277024, 302208, 346280, 377760, 415536, 503680, 519420, 554048, 692560, 755520, 831072, 1038840, 1108096, 1385120, 1511040, 1662144, 2077680, 2770240, 3324288, 4155360, 5540480, 8310720, 16621440]

約数ペア:

[(1, 16621440), (2, 8310720), (3, 5540480), (4, 4155360), (5, 3324288), (6, 2770240), (8, 2077680), (10, 1662144), (11, 1511040), (12, 1385120), (15, 1108096), (16, 1038840), (20, 831072), (22, 755520), (24, 692560), (30, 554048), (32, 519420), (33, 503680), (40, 415536), (44, 377760), (48, 346280), (55, 302208), (60, 277024), (64, 259710), (66, 251840), (80, 207768), (88, 188880), (96, 173140), (110, 151104), (120, 138512), (128, 129855), (132, 125920), (160, 103884), (165, 100736), (176, 94440), (192, 86570), (220, 75552), (240, 69256), (264, 62960), (320, 51942), (330, 50368), (352, 47220), (384, 43285), (440, 37776), (480, 34628), (528, 31480), (640, 25971), (660, 25184), (704, 23610), (787, 21120), (880, 18888), (960, 17314), (1056, 15740), (1320, 12592), (1408, 11805), (1574, 10560), (1760, 9444), (1920, 8657), (2112, 7870), (2361, 7040), (2640, 6296), (3148, 5280), (3520, 4722), (3935, 4224)]