2021104960

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1009

約数の個数: 168

約数和(自身を含む): 5641034184

約数和(自身を除く): 3619929224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 157, 160, 196, 224, 245, 280, 314, 320, 392, 448, 490, 560, 628, 784, 785, 821, 980, 1099, 1120, 1256, 1568, 1570, 1642, 1960, 2198, 2240, 2512, 3136, 3140, 3284, 3920, 4105, 4396, 5024, 5495, 5747, 6280, 6568, 7693, 7840, 8210, 8792, 10048, 10990, 11494, 12560, 13136, 15386, 15680, 16420, 17584, 21980, 22988, 25120, 26272, 28735, 30772, 32840, 35168, 38465, 40229, 43960, 45976, 50240, 52544, 57470, 61544, 65680, 70336, 76930, 80458, 87920, 91952, 114940, 123088, 128897, 131360, 153860, 160916, 175840, 183904, 201145, 229880, 246176, 257794, 262720, 307720, 321832, 351680, 367808, 402290, 459760, 492352, 515588, 615440, 643664, 644485, 804580, 902279, 919520, 1031176, 1230880, 1287328, 1288970, 1609160, 1804558, 1839040, 2062352, 2461760, 2574656, 2577940, 3218320, 3609116, 4124704, 4511395, 5155880, 6315953, 6436640, 7218232, 8249408, 9022790, 10311760, 12631906, 12873280, 14436464, 18045580, 20623520, 25263812, 28872928, 31579765, 36091160, 41247040, 50527624, 57745856, 63159530, 72182320, 101055248, 126319060, 144364640, 202110496, 252638120, 288729280, 404220992, 505276240, 1010552480, 2021104960]

約数ペア:

[(1, 2021104960), (2, 1010552480), (4, 505276240), (5, 404220992), (7, 288729280), (8, 252638120), (10, 202110496), (14, 144364640), (16, 126319060), (20, 101055248), (28, 72182320), (32, 63159530), (35, 57745856), (40, 50527624), (49, 41247040), (56, 36091160), (64, 31579765), (70, 28872928), (80, 25263812), (98, 20623520), (112, 18045580), (140, 14436464), (157, 12873280), (160, 12631906), (196, 10311760), (224, 9022790), (245, 8249408), (280, 7218232), (314, 6436640), (320, 6315953), (392, 5155880), (448, 4511395), (490, 4124704), (560, 3609116), (628, 3218320), (784, 2577940), (785, 2574656), (821, 2461760), (980, 2062352), (1099, 1839040), (1120, 1804558), (1256, 1609160), (1568, 1288970), (1570, 1287328), (1642, 1230880), (1960, 1031176), (2198, 919520), (2240, 902279), (2512, 804580), (3136, 644485), (3140, 643664), (3284, 615440), (3920, 515588), (4105, 492352), (4396, 459760), (5024, 402290), (5495, 367808), (5747, 351680), (6280, 321832), (6568, 307720), (7693, 262720), (7840, 257794), (8210, 246176), (8792, 229880), (10048, 201145), (10990, 183904), (11494, 175840), (12560, 160916), (13136, 153860), (15386, 131360), (15680, 128897), (16420, 123088), (17584, 114940), (21980, 91952), (22988, 87920), (25120, 80458), (26272, 76930), (28735, 70336), (30772, 65680), (32840, 61544), (35168, 57470), (38465, 52544), (40229, 50240), (43960, 45976)]