8481378640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{13781}}^1$

素因数の和:13965

約数の個数: 120

約数和(自身を含む): 23086448712

約数和(自身を除く): 14605070072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 157, 196, 245, 280, 314, 392, 490, 560, 628, 784, 785, 980, 1099, 1256, 1570, 1960, 2198, 2512, 3140, 3920, 4396, 5495, 6280, 7693, 8792, 10990, 12560, 13781, 15386, 17584, 21980, 27562, 30772, 38465, 43960, 55124, 61544, 68905, 76930, 87920, 96467, 110248, 123088, 137810, 153860, 192934, 220496, 275620, 307720, 385868, 482335, 551240, 615440, 675269, 771736, 964670, 1102480, 1350538, 1543472, 1929340, 2163617, 2701076, 3376345, 3858680, 4327234, 5402152, 6752690, 7717360, 8654468, 10804304, 10818085, 13505380, 15145319, 17308936, 21636170, 27010760, 30290638, 34617872, 43272340, 54021520, 60581276, 75726595, 86544680, 106017233, 121162552, 151453190, 173089360, 212034466, 242325104, 302906380, 424068932, 530086165, 605812760, 848137864, 1060172330, 1211625520, 1696275728, 2120344660, 4240689320, 8481378640]

約数ペア:

[(1, 8481378640), (2, 4240689320), (4, 2120344660), (5, 1696275728), (7, 1211625520), (8, 1060172330), (10, 848137864), (14, 605812760), (16, 530086165), (20, 424068932), (28, 302906380), (35, 242325104), (40, 212034466), (49, 173089360), (56, 151453190), (70, 121162552), (80, 106017233), (98, 86544680), (112, 75726595), (140, 60581276), (157, 54021520), (196, 43272340), (245, 34617872), (280, 30290638), (314, 27010760), (392, 21636170), (490, 17308936), (560, 15145319), (628, 13505380), (784, 10818085), (785, 10804304), (980, 8654468), (1099, 7717360), (1256, 6752690), (1570, 5402152), (1960, 4327234), (2198, 3858680), (2512, 3376345), (3140, 2701076), (3920, 2163617), (4396, 1929340), (5495, 1543472), (6280, 1350538), (7693, 1102480), (8792, 964670), (10990, 771736), (12560, 675269), (13781, 615440), (15386, 551240), (17584, 482335), (21980, 385868), (27562, 307720), (30772, 275620), (38465, 220496), (43960, 192934), (55124, 153860), (61544, 137810), (68905, 123088), (76930, 110248), (87920, 96467)]