180719280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1608

約数の個数: 240

約数和(自身を含む): 724239360

約数和(自身を除く): 543520080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1559, 1610, 1656, 1680, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3118, 3220, 3312, 3864, 4140, 4677, 4830, 5040, 5520, 5796, 6236, 6440, 7245, 7728, 7795, 8280, 9354, 9660, 10913, 11592, 12472, 12880, 14031, 14490, 15590, 16560, 18708, 19320, 21826, 23184, 23385, 24944, 28062, 28980, 31180, 32739, 35857, 37416, 38640, 43652, 46770, 54565, 56124, 57960, 62360, 65478, 70155, 71714, 74832, 87304, 93540, 98217, 107571, 109130, 112248, 115920, 124720, 130956, 140310, 143428, 163695, 174608, 179285, 187080, 196434, 215142, 218260, 224496, 250999, 261912, 280620, 286856, 322713, 327390, 358570, 374160, 392868, 430284, 436520, 491085, 501998, 523824, 537855, 561240, 573712, 645426, 654780, 717140, 752997, 785736, 860568, 873040, 982170, 1003996, 1075710, 1122480, 1254995, 1290852, 1309560, 1434280, 1505994, 1571472, 1613565, 1721136, 1964340, 2007992, 2151420, 2258991, 2509990, 2581704, 2619120, 2868560, 3011988, 3227130, 3764985, 3928680, 4015984, 4302840, 4517982, 5019980, 5163408, 6023976, 6454260, 7529970, 7857360, 8605680, 9035964, 10039960, 11294955, 12047952, 12908520, 15059940, 18071928, 20079920, 22589910, 25817040, 30119880, 36143856, 45179820, 60239760, 90359640, 180719280]

約数ペア:

[(1, 180719280), (2, 90359640), (3, 60239760), (4, 45179820), (5, 36143856), (6, 30119880), (7, 25817040), (8, 22589910), (9, 20079920), (10, 18071928), (12, 15059940), (14, 12908520), (15, 12047952), (16, 11294955), (18, 10039960), (20, 9035964), (21, 8605680), (23, 7857360), (24, 7529970), (28, 6454260), (30, 6023976), (35, 5163408), (36, 5019980), (40, 4517982), (42, 4302840), (45, 4015984), (46, 3928680), (48, 3764985), (56, 3227130), (60, 3011988), (63, 2868560), (69, 2619120), (70, 2581704), (72, 2509990), (80, 2258991), (84, 2151420), (90, 2007992), (92, 1964340), (105, 1721136), (112, 1613565), (115, 1571472), (120, 1505994), (126, 1434280), (138, 1309560), (140, 1290852), (144, 1254995), (161, 1122480), (168, 1075710), (180, 1003996), (184, 982170), (207, 873040), (210, 860568), (230, 785736), (240, 752997), (252, 717140), (276, 654780), (280, 645426), (315, 573712), (322, 561240), (336, 537855), (345, 523824), (360, 501998), (368, 491085), (414, 436520), (420, 430284), (460, 392868), (483, 374160), (504, 358570), (552, 327390), (560, 322713), (630, 286856), (644, 280620), (690, 261912), (720, 250999), (805, 224496), (828, 218260), (840, 215142), (920, 196434), (966, 187080), (1008, 179285), (1035, 174608), (1104, 163695), (1260, 143428), (1288, 140310), (1380, 130956), (1449, 124720), (1559, 115920), (1610, 112248), (1656, 109130), (1680, 107571), (1840, 98217), (1932, 93540), (2070, 87304), (2415, 74832), (2520, 71714), (2576, 70155), (2760, 65478), (2898, 62360), (3118, 57960), (3220, 56124), (3312, 54565), (3864, 46770), (4140, 43652), (4677, 38640), (4830, 37416), (5040, 35857), (5520, 32739), (5796, 31180), (6236, 28980), (6440, 28062), (7245, 24944), (7728, 23385), (7795, 23184), (8280, 21826), (9354, 19320), (9660, 18708), (10913, 16560), (11592, 15590), (12472, 14490), (12880, 14031)]