1581015520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1411621}}^1$

素因数の和:1411643

約数の個数: 48

約数和(自身を含む): 4268744928

約数和(自身を除く): 2687729408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1411621, 2823242, 5646484, 7058105, 9881347, 11292968, 14116210, 19762694, 22585936, 28232420, 39525388, 45171872, 49406735, 56464840, 79050776, 98813470, 112929680, 158101552, 197626940, 225859360, 316203104, 395253880, 790507760, 1581015520]

約数ペア:

[(1, 1581015520), (2, 790507760), (4, 395253880), (5, 316203104), (7, 225859360), (8, 197626940), (10, 158101552), (14, 112929680), (16, 98813470), (20, 79050776), (28, 56464840), (32, 49406735), (35, 45171872), (40, 39525388), (56, 28232420), (70, 22585936), (80, 19762694), (112, 14116210), (140, 11292968), (160, 9881347), (224, 7058105), (280, 5646484), (560, 2823242), (1120, 1411621)]