721290240

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1423}}^1$

素因数の和:1465

約数の個数: 264

約数和(自身を含む): 2728372608

約数和(自身を除く): 2007082368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1024, 1056, 1152, 1280, 1320, 1408, 1423, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2640, 2816, 2846, 2880, 3072, 3168, 3520, 3840, 3960, 4224, 4269, 4608, 5120, 5280, 5632, 5692, 5760, 6336, 7040, 7115, 7680, 7920, 8448, 8538, 9216, 10560, 11264, 11384, 11520, 12672, 12807, 14080, 14230, 15360, 15653, 15840, 16896, 17076, 21120, 21345, 22768, 23040, 25344, 25614, 28160, 28460, 31306, 31680, 33792, 34152, 42240, 42690, 45536, 46080, 46959, 50688, 51228, 56320, 56920, 62612, 63360, 64035, 68304, 78265, 84480, 85380, 91072, 93918, 101376, 102456, 113840, 125224, 126720, 128070, 136608, 140877, 156530, 168960, 170760, 182144, 187836, 204912, 227680, 234795, 250448, 253440, 256140, 273216, 281754, 313060, 341520, 364288, 375672, 409824, 455360, 469590, 500896, 506880, 512280, 546432, 563508, 626120, 683040, 704385, 728576, 751344, 819648, 910720, 939180, 1001792, 1024560, 1092864, 1127016, 1252240, 1366080, 1408770, 1457152, 1502688, 1639296, 1821440, 1878360, 2003584, 2049120, 2185728, 2254032, 2504480, 2732160, 2817540, 3005376, 3278592, 3642880, 3756720, 4007168, 4098240, 4371456, 4508064, 5008960, 5464320, 5635080, 6010752, 6557184, 7285760, 7513440, 8014336, 8196480, 9016128, 10017920, 10928640, 11270160, 12021504, 13114368, 15026880, 16028672, 16392960, 18032256, 20035840, 21857280, 22540320, 24043008, 30053760, 32785920, 36064512, 40071680, 45080640, 48086016, 60107520, 65571840, 72129024, 80143360, 90161280, 120215040, 144258048, 180322560, 240430080, 360645120, 721290240]

約数ペア:

[(1, 721290240), (2, 360645120), (3, 240430080), (4, 180322560), (5, 144258048), (6, 120215040), (8, 90161280), (9, 80143360), (10, 72129024), (11, 65571840), (12, 60107520), (15, 48086016), (16, 45080640), (18, 40071680), (20, 36064512), (22, 32785920), (24, 30053760), (30, 24043008), (32, 22540320), (33, 21857280), (36, 20035840), (40, 18032256), (44, 16392960), (45, 16028672), (48, 15026880), (55, 13114368), (60, 12021504), (64, 11270160), (66, 10928640), (72, 10017920), (80, 9016128), (88, 8196480), (90, 8014336), (96, 7513440), (99, 7285760), (110, 6557184), (120, 6010752), (128, 5635080), (132, 5464320), (144, 5008960), (160, 4508064), (165, 4371456), (176, 4098240), (180, 4007168), (192, 3756720), (198, 3642880), (220, 3278592), (240, 3005376), (256, 2817540), (264, 2732160), (288, 2504480), (320, 2254032), (330, 2185728), (352, 2049120), (360, 2003584), (384, 1878360), (396, 1821440), (440, 1639296), (480, 1502688), (495, 1457152), (512, 1408770), (528, 1366080), (576, 1252240), (640, 1127016), (660, 1092864), (704, 1024560), (720, 1001792), (768, 939180), (792, 910720), (880, 819648), (960, 751344), (990, 728576), (1024, 704385), (1056, 683040), (1152, 626120), (1280, 563508), (1320, 546432), (1408, 512280), (1423, 506880), (1440, 500896), (1536, 469590), (1584, 455360), (1760, 409824), (1920, 375672), (1980, 364288), (2112, 341520), (2304, 313060), (2560, 281754), (2640, 273216), (2816, 256140), (2846, 253440), (2880, 250448), (3072, 234795), (3168, 227680), (3520, 204912), (3840, 187836), (3960, 182144), (4224, 170760), (4269, 168960), (4608, 156530), (5120, 140877), (5280, 136608), (5632, 128070), (5692, 126720), (5760, 125224), (6336, 113840), (7040, 102456), (7115, 101376), (7680, 93918), (7920, 91072), (8448, 85380), (8538, 84480), (9216, 78265), (10560, 68304), (11264, 64035), (11384, 63360), (11520, 62612), (12672, 56920), (12807, 56320), (14080, 51228), (14230, 50688), (15360, 46959), (15653, 46080), (15840, 45536), (16896, 42690), (17076, 42240), (21120, 34152), (21345, 33792), (22768, 31680), (23040, 31306), (25344, 28460), (25614, 28160)]