1640939520

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1$

素因数の和:654

約数の個数: 240

約数和(自身を含む): 5737632768

約数和(自身を除く): 4096693248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 512, 528, 607, 640, 660, 704, 768, 880, 960, 1024, 1056, 1214, 1280, 1320, 1408, 1536, 1760, 1821, 1920, 2048, 2112, 2428, 2560, 2640, 2816, 3035, 3072, 3520, 3642, 3840, 4096, 4224, 4856, 5120, 5280, 5632, 6070, 6144, 6677, 7040, 7284, 7680, 8192, 8448, 9105, 9712, 10240, 10560, 11264, 12140, 12288, 13354, 14080, 14568, 15360, 16384, 16896, 18210, 19424, 20031, 20480, 21120, 22528, 24280, 24576, 26708, 28160, 29136, 30720, 33385, 33792, 36420, 38848, 40062, 40960, 42240, 45056, 48560, 49152, 53416, 56320, 58272, 61440, 66770, 67584, 72840, 77696, 80124, 81920, 84480, 90112, 97120, 100155, 106832, 112640, 116544, 122880, 133540, 135168, 145680, 155392, 160248, 168960, 180224, 194240, 200310, 213664, 225280, 233088, 245760, 267080, 270336, 291360, 310784, 320496, 337920, 388480, 400620, 427328, 450560, 466176, 534160, 540672, 582720, 621568, 640992, 675840, 776960, 801240, 854656, 901120, 932352, 1068320, 1165440, 1243136, 1281984, 1351680, 1553920, 1602480, 1709312, 1864704, 2136640, 2330880, 2486272, 2563968, 2703360, 3107840, 3204960, 3418624, 3729408, 4273280, 4661760, 4972544, 5127936, 6215680, 6409920, 6837248, 7458816, 8546560, 9323520, 9945088, 10255872, 12431360, 12819840, 13674496, 14917632, 17093120, 18647040, 20511744, 24862720, 25639680, 27348992, 29835264, 34186240, 37294080, 41023488, 49725440, 51279360, 54697984, 68372480, 74588160, 82046976, 102558720, 109395968, 136744960, 149176320, 164093952, 205117440, 273489920, 328187904, 410234880, 546979840, 820469760, 1640939520]

約数ペア:

[(1, 1640939520), (2, 820469760), (3, 546979840), (4, 410234880), (5, 328187904), (6, 273489920), (8, 205117440), (10, 164093952), (11, 149176320), (12, 136744960), (15, 109395968), (16, 102558720), (20, 82046976), (22, 74588160), (24, 68372480), (30, 54697984), (32, 51279360), (33, 49725440), (40, 41023488), (44, 37294080), (48, 34186240), (55, 29835264), (60, 27348992), (64, 25639680), (66, 24862720), (80, 20511744), (88, 18647040), (96, 17093120), (110, 14917632), (120, 13674496), (128, 12819840), (132, 12431360), (160, 10255872), (165, 9945088), (176, 9323520), (192, 8546560), (220, 7458816), (240, 6837248), (256, 6409920), (264, 6215680), (320, 5127936), (330, 4972544), (352, 4661760), (384, 4273280), (440, 3729408), (480, 3418624), (512, 3204960), (528, 3107840), (607, 2703360), (640, 2563968), (660, 2486272), (704, 2330880), (768, 2136640), (880, 1864704), (960, 1709312), (1024, 1602480), (1056, 1553920), (1214, 1351680), (1280, 1281984), (1320, 1243136), (1408, 1165440), (1536, 1068320), (1760, 932352), (1821, 901120), (1920, 854656), (2048, 801240), (2112, 776960), (2428, 675840), (2560, 640992), (2640, 621568), (2816, 582720), (3035, 540672), (3072, 534160), (3520, 466176), (3642, 450560), (3840, 427328), (4096, 400620), (4224, 388480), (4856, 337920), (5120, 320496), (5280, 310784), (5632, 291360), (6070, 270336), (6144, 267080), (6677, 245760), (7040, 233088), (7284, 225280), (7680, 213664), (8192, 200310), (8448, 194240), (9105, 180224), (9712, 168960), (10240, 160248), (10560, 155392), (11264, 145680), (12140, 135168), (12288, 133540), (13354, 122880), (14080, 116544), (14568, 112640), (15360, 106832), (16384, 100155), (16896, 97120), (18210, 90112), (19424, 84480), (20031, 81920), (20480, 80124), (21120, 77696), (22528, 72840), (24280, 67584), (24576, 66770), (26708, 61440), (28160, 58272), (29136, 56320), (30720, 53416), (33385, 49152), (33792, 48560), (36420, 45056), (38848, 42240), (40062, 40960)]