20447579520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7537}}^1$

素因数の和:7722

約数の個数: 256

約数和(自身を含む): 72889444800

約数和(自身を除く): 52441865280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 157, 160, 180, 192, 216, 240, 270, 288, 314, 320, 360, 384, 432, 471, 480, 540, 576, 628, 640, 720, 785, 864, 942, 960, 1080, 1152, 1256, 1413, 1440, 1570, 1728, 1884, 1920, 2160, 2355, 2512, 2826, 2880, 3140, 3456, 3768, 4239, 4320, 4710, 5024, 5652, 5760, 6280, 7065, 7536, 7537, 8478, 8640, 9420, 10048, 11304, 12560, 14130, 15072, 15074, 16956, 17280, 18840, 20096, 21195, 22608, 22611, 25120, 28260, 30144, 30148, 33912, 37680, 37685, 42390, 45216, 45222, 50240, 56520, 60288, 60296, 67824, 67833, 75360, 75370, 84780, 90432, 90444, 100480, 113040, 113055, 120592, 135648, 135666, 150720, 150740, 169560, 180864, 180888, 203499, 226080, 226110, 241184, 271296, 271332, 301440, 301480, 339120, 339165, 361776, 406998, 452160, 452220, 482368, 542592, 542664, 602960, 678240, 678330, 723552, 813996, 904320, 904440, 964736, 1017495, 1085328, 1183309, 1205920, 1356480, 1356660, 1447104, 1627992, 1808880, 2034990, 2170656, 2366618, 2411840, 2712960, 2713320, 2894208, 3255984, 3549927, 3617760, 4069980, 4341312, 4733236, 4823680, 5426640, 5916545, 6511968, 7099854, 7235520, 8139960, 8682624, 9466472, 10649781, 10853280, 11833090, 13023936, 14199708, 14471040, 16279920, 17749635, 18932944, 21299562, 21706560, 23666180, 26047872, 28399416, 31949343, 32559840, 35499270, 37865888, 42599124, 43413120, 47332360, 53248905, 56798832, 63898686, 65119680, 70998540, 75731776, 85198248, 94664720, 106497810, 113597664, 127797372, 130239360, 141997080, 151463552, 159746715, 170396496, 189329440, 212995620, 227195328, 255594744, 283994160, 319493430, 340792992, 378658880, 425991240, 454390656, 511189488, 567988320, 638986860, 681585984, 757317760, 851982480, 1022378976, 1135976640, 1277973720, 1363171968, 1703964960, 2044757952, 2271953280, 2555947440, 3407929920, 4089515904, 5111894880, 6815859840, 10223789760, 20447579520]

約数ペア:

[(1, 20447579520), (2, 10223789760), (3, 6815859840), (4, 5111894880), (5, 4089515904), (6, 3407929920), (8, 2555947440), (9, 2271953280), (10, 2044757952), (12, 1703964960), (15, 1363171968), (16, 1277973720), (18, 1135976640), (20, 1022378976), (24, 851982480), (27, 757317760), (30, 681585984), (32, 638986860), (36, 567988320), (40, 511189488), (45, 454390656), (48, 425991240), (54, 378658880), (60, 340792992), (64, 319493430), (72, 283994160), (80, 255594744), (90, 227195328), (96, 212995620), (108, 189329440), (120, 170396496), (128, 159746715), (135, 151463552), (144, 141997080), (157, 130239360), (160, 127797372), (180, 113597664), (192, 106497810), (216, 94664720), (240, 85198248), (270, 75731776), (288, 70998540), (314, 65119680), (320, 63898686), (360, 56798832), (384, 53248905), (432, 47332360), (471, 43413120), (480, 42599124), (540, 37865888), (576, 35499270), (628, 32559840), (640, 31949343), (720, 28399416), (785, 26047872), (864, 23666180), (942, 21706560), (960, 21299562), (1080, 18932944), (1152, 17749635), (1256, 16279920), (1413, 14471040), (1440, 14199708), (1570, 13023936), (1728, 11833090), (1884, 10853280), (1920, 10649781), (2160, 9466472), (2355, 8682624), (2512, 8139960), (2826, 7235520), (2880, 7099854), (3140, 6511968), (3456, 5916545), (3768, 5426640), (4239, 4823680), (4320, 4733236), (4710, 4341312), (5024, 4069980), (5652, 3617760), (5760, 3549927), (6280, 3255984), (7065, 2894208), (7536, 2713320), (7537, 2712960), (8478, 2411840), (8640, 2366618), (9420, 2170656), (10048, 2034990), (11304, 1808880), (12560, 1627992), (14130, 1447104), (15072, 1356660), (15074, 1356480), (16956, 1205920), (17280, 1183309), (18840, 1085328), (20096, 1017495), (21195, 964736), (22608, 904440), (22611, 904320), (25120, 813996), (28260, 723552), (30144, 678330), (30148, 678240), (33912, 602960), (37680, 542664), (37685, 542592), (42390, 482368), (45216, 452220), (45222, 452160), (50240, 406998), (56520, 361776), (60288, 339165), (60296, 339120), (67824, 301480), (67833, 301440), (75360, 271332), (75370, 271296), (84780, 241184), (90432, 226110), (90444, 226080), (100480, 203499), (113040, 180888), (113055, 180864), (120592, 169560), (135648, 150740), (135666, 150720)]