15790488520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{67957}}^1$

素因数の和:68162

約数の個数: 64

約数和(自身を含む): 36721784880

約数和(自身を除く): 20931296360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 296, 314, 370, 628, 740, 785, 1256, 1480, 1570, 3140, 5809, 6280, 11618, 23236, 29045, 46472, 58090, 67957, 116180, 135914, 232360, 271828, 339785, 543656, 679570, 1359140, 2514409, 2718280, 5028818, 10057636, 10669249, 12572045, 20115272, 21338498, 25144090, 42676996, 50288180, 53346245, 85353992, 100576360, 106692490, 213384980, 394762213, 426769960, 789524426, 1579048852, 1973811065, 3158097704, 3947622130, 7895244260, 15790488520]

約数ペア:

[(1, 15790488520), (2, 7895244260), (4, 3947622130), (5, 3158097704), (8, 1973811065), (10, 1579048852), (20, 789524426), (37, 426769960), (40, 394762213), (74, 213384980), (148, 106692490), (157, 100576360), (185, 85353992), (296, 53346245), (314, 50288180), (370, 42676996), (628, 25144090), (740, 21338498), (785, 20115272), (1256, 12572045), (1480, 10669249), (1570, 10057636), (3140, 5028818), (5809, 2718280), (6280, 2514409), (11618, 1359140), (23236, 679570), (29045, 543656), (46472, 339785), (58090, 271828), (67957, 232360), (116180, 135914)]