15872600780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{59399}}^1$

素因数の和:59870

約数の個数: 48

約数和(自身を含む): 34488115200

約数和(自身を除く): 18615514420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 431, 620, 862, 1724, 2155, 4310, 8620, 13361, 26722, 53444, 59399, 66805, 118798, 133610, 237596, 267220, 296995, 593990, 1187980, 1841369, 3682738, 7365476, 9206845, 18413690, 25600969, 36827380, 51201938, 102403876, 128004845, 256009690, 512019380, 793630039, 1587260078, 3174520156, 3968150195, 7936300390, 15872600780]

約数ペア:

[(1, 15872600780), (2, 7936300390), (4, 3968150195), (5, 3174520156), (10, 1587260078), (20, 793630039), (31, 512019380), (62, 256009690), (124, 128004845), (155, 102403876), (310, 51201938), (431, 36827380), (620, 25600969), (862, 18413690), (1724, 9206845), (2155, 7365476), (4310, 3682738), (8620, 1841369), (13361, 1187980), (26722, 593990), (53444, 296995), (59399, 267220), (66805, 237596), (118798, 133610)]