72739520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{4639}}^1$

素因数の和:4670

約数の個数: 84

約数和(自身を含む): 201533760

約数和(自身を除く): 128794240

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, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4639, 7840, 9278, 15680, 18556, 23195, 32473, 37112, 46390, 64946, 74224, 92780, 129892, 148448, 162365, 185560, 227311, 259784, 296896, 324730, 371120, 454622, 519568, 649460, 742240, 909244, 1039136, 1136555, 1298920, 1484480, 1818488, 2078272, 2273110, 2597840, 3636976, 4546220, 5195680, 7273952, 9092440, 10391360, 14547904, 18184880, 36369760, 72739520]

約数ペア:

[(1, 72739520), (2, 36369760), (4, 18184880), (5, 14547904), (7, 10391360), (8, 9092440), (10, 7273952), (14, 5195680), (16, 4546220), (20, 3636976), (28, 2597840), (32, 2273110), (35, 2078272), (40, 1818488), (49, 1484480), (56, 1298920), (64, 1136555), (70, 1039136), (80, 909244), (98, 742240), (112, 649460), (140, 519568), (160, 454622), (196, 371120), (224, 324730), (245, 296896), (280, 259784), (320, 227311), (392, 185560), (448, 162365), (490, 148448), (560, 129892), (784, 92780), (980, 74224), (1120, 64946), (1568, 46390), (1960, 37112), (2240, 32473), (3136, 23195), (3920, 18556), (4639, 15680), (7840, 9278)]