309486720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{449}}^1$

素因数の和:830

約数の個数: 128

約数和(自身を含む): 991440000

約数和(自身を除く): 681953280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 359, 384, 449, 480, 640, 718, 898, 960, 1077, 1347, 1436, 1795, 1796, 1920, 2154, 2245, 2694, 2872, 3590, 3592, 4308, 4490, 5385, 5388, 5744, 6735, 7180, 7184, 8616, 8980, 10770, 10776, 11488, 13470, 14360, 14368, 17232, 17960, 21540, 21552, 22976, 26940, 28720, 28736, 34464, 35920, 43080, 43104, 45952, 53880, 57440, 57472, 68928, 71840, 86160, 86208, 107760, 114880, 137856, 143680, 161191, 172320, 172416, 215520, 229760, 287360, 322382, 344640, 431040, 483573, 644764, 689280, 805955, 862080, 967146, 1289528, 1611910, 1934292, 2417865, 2579056, 3223820, 3868584, 4835730, 5158112, 6447640, 7737168, 9671460, 10316224, 12895280, 15474336, 19342920, 20632448, 25790560, 30948672, 38685840, 51581120, 61897344, 77371680, 103162240, 154743360, 309486720]

約数ペア:

[(1, 309486720), (2, 154743360), (3, 103162240), (4, 77371680), (5, 61897344), (6, 51581120), (8, 38685840), (10, 30948672), (12, 25790560), (15, 20632448), (16, 19342920), (20, 15474336), (24, 12895280), (30, 10316224), (32, 9671460), (40, 7737168), (48, 6447640), (60, 5158112), (64, 4835730), (80, 3868584), (96, 3223820), (120, 2579056), (128, 2417865), (160, 1934292), (192, 1611910), (240, 1289528), (320, 967146), (359, 862080), (384, 805955), (449, 689280), (480, 644764), (640, 483573), (718, 431040), (898, 344640), (960, 322382), (1077, 287360), (1347, 229760), (1436, 215520), (1795, 172416), (1796, 172320), (1920, 161191), (2154, 143680), (2245, 137856), (2694, 114880), (2872, 107760), (3590, 86208), (3592, 86160), (4308, 71840), (4490, 68928), (5385, 57472), (5388, 57440), (5744, 53880), (6735, 45952), (7180, 43104), (7184, 43080), (8616, 35920), (8980, 34464), (10770, 28736), (10776, 28720), (11488, 26940), (13470, 22976), (14360, 21552), (14368, 21540), (17232, 17960)]