1276529280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:491

約数の個数: 256

約数和(自身を含む): 4421088000

約数和(自身を除く): 3144558720

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, 199, 208, 240, 257, 260, 312, 320, 384, 390, 398, 416, 480, 514, 520, 597, 624, 640, 771, 780, 796, 832, 960, 995, 1028, 1040, 1194, 1248, 1285, 1542, 1560, 1592, 1664, 1920, 1990, 2056, 2080, 2388, 2496, 2570, 2587, 2985, 3084, 3120, 3184, 3341, 3855, 3980, 4112, 4160, 4776, 4992, 5140, 5174, 5970, 6168, 6240, 6368, 6682, 7710, 7761, 7960, 8224, 8320, 9552, 10023, 10280, 10348, 11940, 12336, 12480, 12736, 12935, 13364, 15420, 15522, 15920, 16448, 16705, 19104, 20046, 20560, 20696, 23880, 24672, 24960, 25472, 25870, 26728, 30840, 31044, 31840, 32896, 33410, 38208, 38805, 40092, 41120, 41392, 47760, 49344, 50115, 51143, 51740, 53456, 61680, 62088, 63680, 66820, 76416, 77610, 80184, 82240, 82784, 95520, 98688, 100230, 102286, 103480, 106912, 123360, 124176, 127360, 133640, 153429, 155220, 160368, 164480, 165568, 191040, 200460, 204572, 206960, 213824, 246720, 248352, 255715, 267280, 306858, 310440, 320736, 331136, 382080, 400920, 409144, 413920, 427648, 493440, 496704, 511430, 534560, 613716, 620880, 641472, 664859, 767145, 801840, 818288, 827840, 993408, 1022860, 1069120, 1227432, 1241760, 1282944, 1329718, 1534290, 1603680, 1636576, 1655680, 1994577, 2045720, 2138240, 2454864, 2483520, 2659436, 3068580, 3207360, 3273152, 3324295, 3989154, 4091440, 4909728, 4967040, 5318872, 6137160, 6414720, 6546304, 6648590, 7978308, 8182880, 9819456, 9972885, 10637744, 12274320, 13297180, 15956616, 16365760, 19638912, 19945770, 21275488, 24548640, 26594360, 31913232, 32731520, 39891540, 42550976, 49097280, 53188720, 63826464, 79783080, 85101952, 98194560, 106377440, 127652928, 159566160, 212754880, 255305856, 319132320, 425509760, 638264640, 1276529280]

約数ペア:

[(1, 1276529280), (2, 638264640), (3, 425509760), (4, 319132320), (5, 255305856), (6, 212754880), (8, 159566160), (10, 127652928), (12, 106377440), (13, 98194560), (15, 85101952), (16, 79783080), (20, 63826464), (24, 53188720), (26, 49097280), (30, 42550976), (32, 39891540), (39, 32731520), (40, 31913232), (48, 26594360), (52, 24548640), (60, 21275488), (64, 19945770), (65, 19638912), (78, 16365760), (80, 15956616), (96, 13297180), (104, 12274320), (120, 10637744), (128, 9972885), (130, 9819456), (156, 8182880), (160, 7978308), (192, 6648590), (195, 6546304), (199, 6414720), (208, 6137160), (240, 5318872), (257, 4967040), (260, 4909728), (312, 4091440), (320, 3989154), (384, 3324295), (390, 3273152), (398, 3207360), (416, 3068580), (480, 2659436), (514, 2483520), (520, 2454864), (597, 2138240), (624, 2045720), (640, 1994577), (771, 1655680), (780, 1636576), (796, 1603680), (832, 1534290), (960, 1329718), (995, 1282944), (1028, 1241760), (1040, 1227432), (1194, 1069120), (1248, 1022860), (1285, 993408), (1542, 827840), (1560, 818288), (1592, 801840), (1664, 767145), (1920, 664859), (1990, 641472), (2056, 620880), (2080, 613716), (2388, 534560), (2496, 511430), (2570, 496704), (2587, 493440), (2985, 427648), (3084, 413920), (3120, 409144), (3184, 400920), (3341, 382080), (3855, 331136), (3980, 320736), (4112, 310440), (4160, 306858), (4776, 267280), (4992, 255715), (5140, 248352), (5174, 246720), (5970, 213824), (6168, 206960), (6240, 204572), (6368, 200460), (6682, 191040), (7710, 165568), (7761, 164480), (7960, 160368), (8224, 155220), (8320, 153429), (9552, 133640), (10023, 127360), (10280, 124176), (10348, 123360), (11940, 106912), (12336, 103480), (12480, 102286), (12736, 100230), (12935, 98688), (13364, 95520), (15420, 82784), (15522, 82240), (15920, 80184), (16448, 77610), (16705, 76416), (19104, 66820), (20046, 63680), (20560, 62088), (20696, 61680), (23880, 53456), (24672, 51740), (24960, 51143), (25472, 50115), (25870, 49344), (26728, 47760), (30840, 41392), (31044, 41120), (31840, 40092), (32896, 38805), (33410, 38208)]