8987000520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{538789}}^1$

素因数の和:538942

約数の個数: 64

約数和(自身を含む): 27155016000

約数和(自身を除く): 18168015480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 16680, 538789, 1077578, 1616367, 2155156, 2693945, 3232734, 4310312, 5387890, 6465468, 8081835, 10775780, 12930936, 16163670, 21551560, 32327340, 64654680, 74891671, 149783342, 224675013, 299566684, 374458355, 449350026, 599133368, 748916710, 898700052, 1123375065, 1497833420, 1797400104, 2246750130, 2995666840, 4493500260, 8987000520]

約数ペア:

[(1, 8987000520), (2, 4493500260), (3, 2995666840), (4, 2246750130), (5, 1797400104), (6, 1497833420), (8, 1123375065), (10, 898700052), (12, 748916710), (15, 599133368), (20, 449350026), (24, 374458355), (30, 299566684), (40, 224675013), (60, 149783342), (120, 74891671), (139, 64654680), (278, 32327340), (417, 21551560), (556, 16163670), (695, 12930936), (834, 10775780), (1112, 8081835), (1390, 6465468), (1668, 5387890), (2085, 4310312), (2780, 3232734), (3336, 2693945), (4170, 2155156), (5560, 1616367), (8340, 1077578), (16680, 538789)]