128259960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46471}}^1$

素因数の和:46508

約数の個数: 64

約数和(自身を含む): 401518080

約数和(自身を除く): 273258120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 46471, 92942, 139413, 185884, 232355, 278826, 371768, 464710, 557652, 697065, 929420, 1068833, 1115304, 1394130, 1858840, 2137666, 2788260, 3206499, 4275332, 5344165, 5576520, 6412998, 8550664, 10688330, 12825996, 16032495, 21376660, 25651992, 32064990, 42753320, 64129980, 128259960]

約数ペア:

[(1, 128259960), (2, 64129980), (3, 42753320), (4, 32064990), (5, 25651992), (6, 21376660), (8, 16032495), (10, 12825996), (12, 10688330), (15, 8550664), (20, 6412998), (23, 5576520), (24, 5344165), (30, 4275332), (40, 3206499), (46, 2788260), (60, 2137666), (69, 1858840), (92, 1394130), (115, 1115304), (120, 1068833), (138, 929420), (184, 697065), (230, 557652), (276, 464710), (345, 371768), (460, 278826), (552, 232355), (690, 185884), (920, 139413), (1380, 92942), (2760, 46471)]