20181521280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{18217}}^1$

素因数の和:18816

約数の個数: 128

約数和(自身を含む): 64443624480

約数和(自身を除く): 44262103200

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, 320, 384, 480, 577, 640, 960, 1154, 1731, 1920, 2308, 2885, 3462, 4616, 5770, 6924, 8655, 9232, 11540, 13848, 17310, 18217, 18464, 23080, 27696, 34620, 36434, 36928, 46160, 54651, 55392, 69240, 72868, 73856, 91085, 92320, 109302, 110784, 138480, 145736, 182170, 184640, 218604, 221568, 273255, 276960, 291472, 364340, 369280, 437208, 546510, 553920, 582944, 728680, 874416, 1093020, 1107840, 1165888, 1457360, 1748832, 2186040, 2331776, 2914720, 3497664, 4372080, 5829440, 6995328, 8744160, 10511209, 11658880, 17488320, 21022418, 31533627, 34976640, 42044836, 52556045, 63067254, 84089672, 105112090, 126134508, 157668135, 168179344, 210224180, 252269016, 315336270, 336358688, 420448360, 504538032, 630672540, 672717376, 840896720, 1009076064, 1261345080, 1345434752, 1681793440, 2018152128, 2522690160, 3363586880, 4036304256, 5045380320, 6727173760, 10090760640, 20181521280]

約数ペア:

[(1, 20181521280), (2, 10090760640), (3, 6727173760), (4, 5045380320), (5, 4036304256), (6, 3363586880), (8, 2522690160), (10, 2018152128), (12, 1681793440), (15, 1345434752), (16, 1261345080), (20, 1009076064), (24, 840896720), (30, 672717376), (32, 630672540), (40, 504538032), (48, 420448360), (60, 336358688), (64, 315336270), (80, 252269016), (96, 210224180), (120, 168179344), (128, 157668135), (160, 126134508), (192, 105112090), (240, 84089672), (320, 63067254), (384, 52556045), (480, 42044836), (577, 34976640), (640, 31533627), (960, 21022418), (1154, 17488320), (1731, 11658880), (1920, 10511209), (2308, 8744160), (2885, 6995328), (3462, 5829440), (4616, 4372080), (5770, 3497664), (6924, 2914720), (8655, 2331776), (9232, 2186040), (11540, 1748832), (13848, 1457360), (17310, 1165888), (18217, 1107840), (18464, 1093020), (23080, 874416), (27696, 728680), (34620, 582944), (36434, 553920), (36928, 546510), (46160, 437208), (54651, 369280), (55392, 364340), (69240, 291472), (72868, 276960), (73856, 273255), (91085, 221568), (92320, 218604), (109302, 184640), (110784, 182170), (138480, 145736)]