18765117080

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1\times {\mathrm{7691}}^1$

素因数の和:8220

約数の個数: 64

約数和(自身を含む): 42586296480

約数和(自身を除く): 23821179400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 337, 362, 674, 724, 905, 1348, 1448, 1685, 1810, 2696, 3370, 3620, 6740, 7240, 7691, 13480, 15382, 30764, 38455, 60997, 61528, 76910, 121994, 153820, 243988, 304985, 307640, 487976, 609970, 1219940, 1392071, 2439880, 2591867, 2784142, 5183734, 5568284, 6960355, 10367468, 11136568, 12959335, 13920710, 20734936, 25918670, 27841420, 51837340, 55682840, 103674680, 469127927, 938255854, 1876511708, 2345639635, 3753023416, 4691279270, 9382558540, 18765117080]

約数ペア:

[(1, 18765117080), (2, 9382558540), (4, 4691279270), (5, 3753023416), (8, 2345639635), (10, 1876511708), (20, 938255854), (40, 469127927), (181, 103674680), (337, 55682840), (362, 51837340), (674, 27841420), (724, 25918670), (905, 20734936), (1348, 13920710), (1448, 12959335), (1685, 11136568), (1810, 10367468), (2696, 6960355), (3370, 5568284), (3620, 5183734), (6740, 2784142), (7240, 2591867), (7691, 2439880), (13480, 1392071), (15382, 1219940), (30764, 609970), (38455, 487976), (60997, 307640), (61528, 304985), (76910, 243988), (121994, 153820)]