1231395120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21649}}^1$

素因数の和:21747

約数の個数: 120

約数和(自身を含む): 4187976000

約数和(自身を除く): 2956580880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 14220, 18960, 21649, 28440, 43298, 56880, 64947, 86596, 108245, 129894, 173192, 194841, 216490, 259788, 324735, 346384, 389682, 432980, 519576, 649470, 779364, 865960, 974205, 1039152, 1298940, 1558728, 1710271, 1731920, 1948410, 2597880, 3117456, 3420542, 3896820, 5130813, 5195760, 6841084, 7793640, 8551355, 10261626, 13682168, 15392439, 15587280, 17102710, 20523252, 25654065, 27364336, 30784878, 34205420, 41046504, 51308130, 61569756, 68410840, 76962195, 82093008, 102616260, 123139512, 136821680, 153924390, 205232520, 246279024, 307848780, 410465040, 615697560, 1231395120]

約数ペア:

[(1, 1231395120), (2, 615697560), (3, 410465040), (4, 307848780), (5, 246279024), (6, 205232520), (8, 153924390), (9, 136821680), (10, 123139512), (12, 102616260), (15, 82093008), (16, 76962195), (18, 68410840), (20, 61569756), (24, 51308130), (30, 41046504), (36, 34205420), (40, 30784878), (45, 27364336), (48, 25654065), (60, 20523252), (72, 17102710), (79, 15587280), (80, 15392439), (90, 13682168), (120, 10261626), (144, 8551355), (158, 7793640), (180, 6841084), (237, 5195760), (240, 5130813), (316, 3896820), (360, 3420542), (395, 3117456), (474, 2597880), (632, 1948410), (711, 1731920), (720, 1710271), (790, 1558728), (948, 1298940), (1185, 1039152), (1264, 974205), (1422, 865960), (1580, 779364), (1896, 649470), (2370, 519576), (2844, 432980), (3160, 389682), (3555, 346384), (3792, 324735), (4740, 259788), (5688, 216490), (6320, 194841), (7110, 173192), (9480, 129894), (11376, 108245), (14220, 86596), (18960, 64947), (21649, 56880), (28440, 43298)]