260931840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5227}}^1$

素因数の和:5264

約数の個数: 144

約数和(自身を含む): 897626688

約数和(自身を除く): 636694848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4992, 5227, 6240, 8320, 9984, 10454, 12480, 15681, 16640, 20908, 24960, 26135, 31362, 41816, 49920, 52270, 62724, 67951, 78405, 83632, 104540, 125448, 135902, 156810, 167264, 203853, 209080, 250896, 271804, 313620, 334528, 339755, 407706, 418160, 501792, 543608, 627240, 669056, 679510, 815412, 836320, 1003584, 1019265, 1087216, 1254480, 1338112, 1359020, 1630824, 1672640, 2007168, 2038530, 2174432, 2508960, 2718040, 3261648, 3345280, 4014336, 4077060, 4348864, 5017920, 5436080, 6523296, 6690560, 8154120, 8697728, 10035840, 10872160, 13046592, 16308240, 17395456, 20071680, 21744320, 26093184, 32616480, 43488640, 52186368, 65232960, 86977280, 130465920, 260931840]

約数ペア:

[(1, 260931840), (2, 130465920), (3, 86977280), (4, 65232960), (5, 52186368), (6, 43488640), (8, 32616480), (10, 26093184), (12, 21744320), (13, 20071680), (15, 17395456), (16, 16308240), (20, 13046592), (24, 10872160), (26, 10035840), (30, 8697728), (32, 8154120), (39, 6690560), (40, 6523296), (48, 5436080), (52, 5017920), (60, 4348864), (64, 4077060), (65, 4014336), (78, 3345280), (80, 3261648), (96, 2718040), (104, 2508960), (120, 2174432), (128, 2038530), (130, 2007168), (156, 1672640), (160, 1630824), (192, 1359020), (195, 1338112), (208, 1254480), (240, 1087216), (256, 1019265), (260, 1003584), (312, 836320), (320, 815412), (384, 679510), (390, 669056), (416, 627240), (480, 543608), (520, 501792), (624, 418160), (640, 407706), (768, 339755), (780, 334528), (832, 313620), (960, 271804), (1040, 250896), (1248, 209080), (1280, 203853), (1560, 167264), (1664, 156810), (1920, 135902), (2080, 125448), (2496, 104540), (3120, 83632), (3328, 78405), (3840, 67951), (4160, 62724), (4992, 52270), (5227, 49920), (6240, 41816), (8320, 31362), (9984, 26135), (10454, 24960), (12480, 20908), (15681, 16640)]