131286960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:505

約数の個数: 320

約数和(自身を含む): 545203200

約数和(自身を除く): 413916240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 457, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 912, 914, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1371, 1512, 1520, 1596, 1680, 1710, 1828, 1890, 1995, 2052, 2128, 2160, 2280, 2285, 2394, 2520, 2565, 2660, 2736, 2742, 3024, 3192, 3199, 3420, 3591, 3656, 3780, 3990, 4104, 4113, 4560, 4570, 4788, 5040, 5130, 5320, 5484, 5985, 6384, 6398, 6840, 6855, 7182, 7312, 7560, 7980, 8208, 8226, 8683, 9140, 9576, 9597, 10260, 10640, 10968, 11970, 12339, 12796, 13680, 13710, 14364, 15120, 15960, 15995, 16452, 17366, 17955, 18280, 19152, 19194, 20520, 20565, 21936, 23940, 24678, 25592, 26049, 27420, 28728, 28791, 31920, 31990, 32904, 34732, 35910, 36560, 38388, 41040, 41130, 43415, 47880, 47985, 49356, 51184, 52098, 54840, 57456, 57582, 60781, 61695, 63980, 65808, 69464, 71820, 76776, 78147, 82260, 86373, 86830, 95760, 95970, 98712, 104196, 109680, 115164, 121562, 123390, 127960, 130245, 138928, 143640, 143955, 153552, 156294, 164520, 172746, 173660, 182343, 191940, 197424, 208392, 230328, 234441, 243124, 246780, 255920, 260490, 287280, 287910, 303905, 312588, 329040, 345492, 347320, 364686, 383880, 390735, 416784, 431865, 460656, 468882, 486248, 493560, 520980, 547029, 575820, 607810, 625176, 690984, 694640, 729372, 767760, 781470, 863730, 911715, 937764, 972496, 987120, 1041960, 1094058, 1151640, 1172205, 1215620, 1250352, 1381968, 1458744, 1562940, 1641087, 1727460, 1823430, 1875528, 2083920, 2188116, 2303280, 2344410, 2431240, 2735145, 2917488, 3125880, 3282174, 3454920, 3646860, 3751056, 4376232, 4688820, 4862480, 5470290, 6251760, 6564348, 6909840, 7293720, 8205435, 8752464, 9377640, 10940580, 13128696, 14587440, 16410870, 18755280, 21881160, 26257392, 32821740, 43762320, 65643480, 131286960]

約数ペア:

[(1, 131286960), (2, 65643480), (3, 43762320), (4, 32821740), (5, 26257392), (6, 21881160), (7, 18755280), (8, 16410870), (9, 14587440), (10, 13128696), (12, 10940580), (14, 9377640), (15, 8752464), (16, 8205435), (18, 7293720), (19, 6909840), (20, 6564348), (21, 6251760), (24, 5470290), (27, 4862480), (28, 4688820), (30, 4376232), (35, 3751056), (36, 3646860), (38, 3454920), (40, 3282174), (42, 3125880), (45, 2917488), (48, 2735145), (54, 2431240), (56, 2344410), (57, 2303280), (60, 2188116), (63, 2083920), (70, 1875528), (72, 1823430), (76, 1727460), (80, 1641087), (84, 1562940), (90, 1458744), (95, 1381968), (105, 1250352), (108, 1215620), (112, 1172205), (114, 1151640), (120, 1094058), (126, 1041960), (133, 987120), (135, 972496), (140, 937764), (144, 911715), (152, 863730), (168, 781470), (171, 767760), (180, 729372), (189, 694640), (190, 690984), (210, 625176), (216, 607810), (228, 575820), (240, 547029), (252, 520980), (266, 493560), (270, 486248), (280, 468882), (285, 460656), (304, 431865), (315, 416784), (336, 390735), (342, 383880), (360, 364686), (378, 347320), (380, 345492), (399, 329040), (420, 312588), (432, 303905), (456, 287910), (457, 287280), (504, 260490), (513, 255920), (532, 246780), (540, 243124), (560, 234441), (570, 230328), (630, 208392), (665, 197424), (684, 191940), (720, 182343), (756, 173660), (760, 172746), (798, 164520), (840, 156294), (855, 153552), (912, 143955), (914, 143640), (945, 138928), (1008, 130245), (1026, 127960), (1064, 123390), (1080, 121562), (1140, 115164), (1197, 109680), (1260, 104196), (1330, 98712), (1368, 95970), (1371, 95760), (1512, 86830), (1520, 86373), (1596, 82260), (1680, 78147), (1710, 76776), (1828, 71820), (1890, 69464), (1995, 65808), (2052, 63980), (2128, 61695), (2160, 60781), (2280, 57582), (2285, 57456), (2394, 54840), (2520, 52098), (2565, 51184), (2660, 49356), (2736, 47985), (2742, 47880), (3024, 43415), (3192, 41130), (3199, 41040), (3420, 38388), (3591, 36560), (3656, 35910), (3780, 34732), (3990, 32904), (4104, 31990), (4113, 31920), (4560, 28791), (4570, 28728), (4788, 27420), (5040, 26049), (5130, 25592), (5320, 24678), (5484, 23940), (5985, 21936), (6384, 20565), (6398, 20520), (6840, 19194), (6855, 19152), (7182, 18280), (7312, 17955), (7560, 17366), (7980, 16452), (8208, 15995), (8226, 15960), (8683, 15120), (9140, 14364), (9576, 13710), (9597, 13680), (10260, 12796), (10640, 12339), (10968, 11970)]