123391920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10939}}^1$

素因数の和:11002

約数の個数: 80

約数和(自身を含む): 390689280

約数和(自身を除く): 267297360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 10939, 11280, 21878, 32817, 43756, 54695, 65634, 87512, 109390, 131268, 164085, 175024, 218780, 262536, 328170, 437560, 514133, 525072, 656340, 875120, 1028266, 1312680, 1542399, 2056532, 2570665, 2625360, 3084798, 4113064, 5141330, 6169596, 7711995, 8226128, 10282660, 12339192, 15423990, 20565320, 24678384, 30847980, 41130640, 61695960, 123391920]

約数ペア:

[(1, 123391920), (2, 61695960), (3, 41130640), (4, 30847980), (5, 24678384), (6, 20565320), (8, 15423990), (10, 12339192), (12, 10282660), (15, 8226128), (16, 7711995), (20, 6169596), (24, 5141330), (30, 4113064), (40, 3084798), (47, 2625360), (48, 2570665), (60, 2056532), (80, 1542399), (94, 1312680), (120, 1028266), (141, 875120), (188, 656340), (235, 525072), (240, 514133), (282, 437560), (376, 328170), (470, 262536), (564, 218780), (705, 175024), (752, 164085), (940, 131268), (1128, 109390), (1410, 87512), (1880, 65634), (2256, 54695), (2820, 43756), (3760, 32817), (5640, 21878), (10939, 11280)]