309120

素因数分解:

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

素因数の和:52

約数の個数: 128

約数和(自身を含む): 1175040

約数和(自身を除く): 865920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 840, 896, 920, 960, 966, 1104, 1120, 1288, 1344, 1380, 1472, 1610, 1680, 1840, 1920, 1932, 2208, 2240, 2415, 2576, 2688, 2760, 2944, 3220, 3360, 3680, 3864, 4416, 4480, 4830, 5152, 5520, 6440, 6720, 7360, 7728, 8832, 9660, 10304, 11040, 12880, 13440, 14720, 15456, 19320, 20608, 22080, 25760, 30912, 38640, 44160, 51520, 61824, 77280, 103040, 154560, 309120]

約数ペア:

[(1, 309120), (2, 154560), (3, 103040), (4, 77280), (5, 61824), (6, 51520), (7, 44160), (8, 38640), (10, 30912), (12, 25760), (14, 22080), (15, 20608), (16, 19320), (20, 15456), (21, 14720), (23, 13440), (24, 12880), (28, 11040), (30, 10304), (32, 9660), (35, 8832), (40, 7728), (42, 7360), (46, 6720), (48, 6440), (56, 5520), (60, 5152), (64, 4830), (69, 4480), (70, 4416), (80, 3864), (84, 3680), (92, 3360), (96, 3220), (105, 2944), (112, 2760), (115, 2688), (120, 2576), (128, 2415), (138, 2240), (140, 2208), (160, 1932), (161, 1920), (168, 1840), (184, 1680), (192, 1610), (210, 1472), (224, 1380), (230, 1344), (240, 1288), (276, 1120), (280, 1104), (320, 966), (322, 960), (336, 920), (345, 896), (368, 840), (384, 805), (420, 736), (448, 690), (460, 672), (480, 644), (483, 640), (552, 560)]