231840

素因数分解:

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

素因数の和:51

約数の個数: 144

約数和(自身を含む): 943488

約数和(自身を除く): 711648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 322, 336, 345, 360, 368, 414, 420, 460, 480, 483, 504, 552, 560, 630, 644, 672, 690, 720, 736, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1120, 1260, 1288, 1380, 1440, 1449, 1610, 1656, 1680, 1840, 1932, 2016, 2070, 2208, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3360, 3680, 3864, 4140, 4830, 5040, 5152, 5520, 5796, 6440, 6624, 7245, 7728, 8280, 9660, 10080, 11040, 11592, 12880, 14490, 15456, 16560, 19320, 23184, 25760, 28980, 33120, 38640, 46368, 57960, 77280, 115920, 231840]

約数ペア:

[(1, 231840), (2, 115920), (3, 77280), (4, 57960), (5, 46368), (6, 38640), (7, 33120), (8, 28980), (9, 25760), (10, 23184), (12, 19320), (14, 16560), (15, 15456), (16, 14490), (18, 12880), (20, 11592), (21, 11040), (23, 10080), (24, 9660), (28, 8280), (30, 7728), (32, 7245), (35, 6624), (36, 6440), (40, 5796), (42, 5520), (45, 5152), (46, 5040), (48, 4830), (56, 4140), (60, 3864), (63, 3680), (69, 3360), (70, 3312), (72, 3220), (80, 2898), (84, 2760), (90, 2576), (92, 2520), (96, 2415), (105, 2208), (112, 2070), (115, 2016), (120, 1932), (126, 1840), (138, 1680), (140, 1656), (144, 1610), (160, 1449), (161, 1440), (168, 1380), (180, 1288), (184, 1260), (207, 1120), (210, 1104), (224, 1035), (230, 1008), (240, 966), (252, 920), (276, 840), (280, 828), (288, 805), (315, 736), (322, 720), (336, 690), (345, 672), (360, 644), (368, 630), (414, 560), (420, 552), (460, 504), (480, 483)]