20804910720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3833}}^1$

素因数の和:4123

約数の個数: 256

約数和(自身を含む): 72644791680

約数和(自身を除く): 51839880960

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, 257, 264, 320, 330, 352, 384, 440, 480, 514, 528, 640, 660, 704, 771, 880, 960, 1028, 1056, 1285, 1320, 1408, 1542, 1760, 1920, 2056, 2112, 2570, 2640, 2827, 3084, 3520, 3833, 3855, 4112, 4224, 5140, 5280, 5654, 6168, 7040, 7666, 7710, 8224, 8481, 10280, 10560, 11308, 11499, 12336, 14135, 15332, 15420, 16448, 16962, 19165, 20560, 21120, 22616, 22998, 24672, 28270, 30664, 30840, 32896, 33924, 38330, 41120, 42163, 42405, 45232, 45996, 49344, 56540, 57495, 61328, 61680, 67848, 76660, 82240, 84326, 84810, 90464, 91992, 98688, 113080, 114990, 122656, 123360, 126489, 135696, 153320, 164480, 168652, 169620, 180928, 183984, 210815, 226160, 229980, 245312, 246720, 252978, 271392, 306640, 337304, 339240, 361856, 367968, 421630, 452320, 459960, 490624, 493440, 505956, 542784, 613280, 632445, 674608, 678480, 735936, 843260, 904640, 919920, 985081, 1011912, 1085568, 1226560, 1264890, 1349216, 1356960, 1471872, 1686520, 1809280, 1839840, 1970162, 2023824, 2453120, 2529780, 2698432, 2713920, 2955243, 3373040, 3679680, 3940324, 4047648, 4925405, 5059560, 5396864, 5427840, 5910486, 6746080, 7359360, 7880648, 8095296, 9850810, 10119120, 10835891, 11820972, 13492160, 14776215, 15761296, 16190592, 19701620, 20238240, 21671782, 23641944, 26984320, 29552430, 31522592, 32507673, 39403240, 40476480, 43343564, 47283888, 54179455, 59104860, 63045184, 65015346, 78806480, 80952960, 86687128, 94567776, 108358910, 118209720, 126090368, 130030692, 157612960, 162538365, 173374256, 189135552, 216717820, 236419440, 260061384, 315225920, 325076730, 346748512, 378271104, 433435640, 472838880, 520122768, 630451840, 650153460, 693497024, 866871280, 945677760, 1040245536, 1300306920, 1386994048, 1733742560, 1891355520, 2080491072, 2600613840, 3467485120, 4160982144, 5201227680, 6934970240, 10402455360, 20804910720]

約数ペア:

[(1, 20804910720), (2, 10402455360), (3, 6934970240), (4, 5201227680), (5, 4160982144), (6, 3467485120), (8, 2600613840), (10, 2080491072), (11, 1891355520), (12, 1733742560), (15, 1386994048), (16, 1300306920), (20, 1040245536), (22, 945677760), (24, 866871280), (30, 693497024), (32, 650153460), (33, 630451840), (40, 520122768), (44, 472838880), (48, 433435640), (55, 378271104), (60, 346748512), (64, 325076730), (66, 315225920), (80, 260061384), (88, 236419440), (96, 216717820), (110, 189135552), (120, 173374256), (128, 162538365), (132, 157612960), (160, 130030692), (165, 126090368), (176, 118209720), (192, 108358910), (220, 94567776), (240, 86687128), (257, 80952960), (264, 78806480), (320, 65015346), (330, 63045184), (352, 59104860), (384, 54179455), (440, 47283888), (480, 43343564), (514, 40476480), (528, 39403240), (640, 32507673), (660, 31522592), (704, 29552430), (771, 26984320), (880, 23641944), (960, 21671782), (1028, 20238240), (1056, 19701620), (1285, 16190592), (1320, 15761296), (1408, 14776215), (1542, 13492160), (1760, 11820972), (1920, 10835891), (2056, 10119120), (2112, 9850810), (2570, 8095296), (2640, 7880648), (2827, 7359360), (3084, 6746080), (3520, 5910486), (3833, 5427840), (3855, 5396864), (4112, 5059560), (4224, 4925405), (5140, 4047648), (5280, 3940324), (5654, 3679680), (6168, 3373040), (7040, 2955243), (7666, 2713920), (7710, 2698432), (8224, 2529780), (8481, 2453120), (10280, 2023824), (10560, 1970162), (11308, 1839840), (11499, 1809280), (12336, 1686520), (14135, 1471872), (15332, 1356960), (15420, 1349216), (16448, 1264890), (16962, 1226560), (19165, 1085568), (20560, 1011912), (21120, 985081), (22616, 919920), (22998, 904640), (24672, 843260), (28270, 735936), (30664, 678480), (30840, 674608), (32896, 632445), (33924, 613280), (38330, 542784), (41120, 505956), (42163, 493440), (42405, 490624), (45232, 459960), (45996, 452320), (49344, 421630), (56540, 367968), (57495, 361856), (61328, 339240), (61680, 337304), (67848, 306640), (76660, 271392), (82240, 252978), (84326, 246720), (84810, 245312), (90464, 229980), (91992, 226160), (98688, 210815), (113080, 183984), (114990, 180928), (122656, 169620), (123360, 168652), (126489, 164480), (135696, 153320)]