131291520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 256

約数和(自身を含む): 455328000

約数和(自身を除く): 324036480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 59, 60, 61, 64, 76, 80, 95, 96, 114, 118, 120, 122, 128, 152, 160, 177, 183, 190, 192, 228, 236, 240, 244, 285, 295, 304, 305, 320, 354, 366, 380, 384, 456, 472, 480, 488, 570, 590, 608, 610, 640, 708, 732, 760, 885, 912, 915, 944, 960, 976, 1121, 1140, 1159, 1180, 1216, 1220, 1416, 1464, 1520, 1770, 1824, 1830, 1888, 1920, 1952, 2242, 2280, 2318, 2360, 2432, 2440, 2832, 2928, 3040, 3363, 3477, 3540, 3599, 3648, 3660, 3776, 3904, 4484, 4560, 4636, 4720, 4880, 5605, 5664, 5795, 5856, 6080, 6726, 6954, 7080, 7198, 7296, 7320, 7552, 7808, 8968, 9120, 9272, 9440, 9760, 10797, 11210, 11328, 11590, 11712, 12160, 13452, 13908, 14160, 14396, 14640, 16815, 17385, 17936, 17995, 18240, 18544, 18880, 19520, 21594, 22420, 22656, 23180, 23424, 26904, 27816, 28320, 28792, 29280, 33630, 34770, 35872, 35990, 36480, 37088, 37760, 39040, 43188, 44840, 46360, 53808, 53985, 55632, 56640, 57584, 58560, 67260, 68381, 69540, 71744, 71980, 74176, 86376, 89680, 92720, 107616, 107970, 111264, 113280, 115168, 117120, 134520, 136762, 139080, 143488, 143960, 148352, 172752, 179360, 185440, 205143, 215232, 215940, 222528, 230336, 269040, 273524, 278160, 287920, 341905, 345504, 358720, 370880, 410286, 430464, 431880, 445056, 460672, 538080, 547048, 556320, 575840, 683810, 691008, 717440, 741760, 820572, 863760, 1025715, 1076160, 1094096, 1112640, 1151680, 1367620, 1382016, 1641144, 1727520, 2051430, 2152320, 2188192, 2225280, 2303360, 2735240, 3282288, 3455040, 4102860, 4376384, 5470480, 6564576, 6910080, 8205720, 8752768, 10940960, 13129152, 16411440, 21881920, 26258304, 32822880, 43763840, 65645760, 131291520]

約数ペア:

[(1, 131291520), (2, 65645760), (3, 43763840), (4, 32822880), (5, 26258304), (6, 21881920), (8, 16411440), (10, 13129152), (12, 10940960), (15, 8752768), (16, 8205720), (19, 6910080), (20, 6564576), (24, 5470480), (30, 4376384), (32, 4102860), (38, 3455040), (40, 3282288), (48, 2735240), (57, 2303360), (59, 2225280), (60, 2188192), (61, 2152320), (64, 2051430), (76, 1727520), (80, 1641144), (95, 1382016), (96, 1367620), (114, 1151680), (118, 1112640), (120, 1094096), (122, 1076160), (128, 1025715), (152, 863760), (160, 820572), (177, 741760), (183, 717440), (190, 691008), (192, 683810), (228, 575840), (236, 556320), (240, 547048), (244, 538080), (285, 460672), (295, 445056), (304, 431880), (305, 430464), (320, 410286), (354, 370880), (366, 358720), (380, 345504), (384, 341905), (456, 287920), (472, 278160), (480, 273524), (488, 269040), (570, 230336), (590, 222528), (608, 215940), (610, 215232), (640, 205143), (708, 185440), (732, 179360), (760, 172752), (885, 148352), (912, 143960), (915, 143488), (944, 139080), (960, 136762), (976, 134520), (1121, 117120), (1140, 115168), (1159, 113280), (1180, 111264), (1216, 107970), (1220, 107616), (1416, 92720), (1464, 89680), (1520, 86376), (1770, 74176), (1824, 71980), (1830, 71744), (1888, 69540), (1920, 68381), (1952, 67260), (2242, 58560), (2280, 57584), (2318, 56640), (2360, 55632), (2432, 53985), (2440, 53808), (2832, 46360), (2928, 44840), (3040, 43188), (3363, 39040), (3477, 37760), (3540, 37088), (3599, 36480), (3648, 35990), (3660, 35872), (3776, 34770), (3904, 33630), (4484, 29280), (4560, 28792), (4636, 28320), (4720, 27816), (4880, 26904), (5605, 23424), (5664, 23180), (5795, 22656), (5856, 22420), (6080, 21594), (6726, 19520), (6954, 18880), (7080, 18544), (7198, 18240), (7296, 17995), (7320, 17936), (7552, 17385), (7808, 16815), (8968, 14640), (9120, 14396), (9272, 14160), (9440, 13908), (9760, 13452), (10797, 12160), (11210, 11712), (11328, 11590)]