312991520

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8117}}^1$

素因数の和:8373

約数の個数: 48

約数和(自身を含む): 742602168

約数和(自身を除く): 429610648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 7712, 8117, 9640, 16234, 19280, 32468, 38560, 40585, 64936, 81170, 129872, 162340, 259744, 324680, 649360, 1298720, 1956197, 3912394, 7824788, 9780985, 15649576, 19561970, 31299152, 39123940, 62598304, 78247880, 156495760, 312991520]

約数ペア:

[(1, 312991520), (2, 156495760), (4, 78247880), (5, 62598304), (8, 39123940), (10, 31299152), (16, 19561970), (20, 15649576), (32, 9780985), (40, 7824788), (80, 3912394), (160, 1956197), (241, 1298720), (482, 649360), (964, 324680), (1205, 259744), (1928, 162340), (2410, 129872), (3856, 81170), (4820, 64936), (7712, 40585), (8117, 38560), (9640, 32468), (16234, 19280)]