320209680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8333

約数の個数: 160

約数和(自身を含む): 1183924224

約数和(自身を除く): 863714544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2415, 2576, 2760, 3220, 3864, 4830, 5520, 6440, 7728, 8287, 9660, 12880, 16574, 19320, 24861, 33148, 38640, 41435, 49722, 58009, 66296, 82870, 99444, 116018, 124305, 132592, 165740, 174027, 190601, 198888, 232036, 248610, 290045, 331480, 348054, 381202, 397776, 464072, 497220, 571803, 580090, 662960, 696108, 762404, 870135, 928144, 953005, 994440, 1143606, 1160180, 1334207, 1392216, 1524808, 1740270, 1906010, 1988880, 2287212, 2320360, 2668414, 2784432, 2859015, 3049616, 3480540, 3812020, 4002621, 4574424, 4640720, 5336828, 5718030, 6671035, 6961080, 7624040, 8005242, 9148848, 10673656, 11436060, 13342070, 13922160, 15248080, 16010484, 20013105, 21347312, 22872120, 26684140, 32020968, 40026210, 45744240, 53368280, 64041936, 80052420, 106736560, 160104840, 320209680]

約数ペア:

[(1, 320209680), (2, 160104840), (3, 106736560), (4, 80052420), (5, 64041936), (6, 53368280), (7, 45744240), (8, 40026210), (10, 32020968), (12, 26684140), (14, 22872120), (15, 21347312), (16, 20013105), (20, 16010484), (21, 15248080), (23, 13922160), (24, 13342070), (28, 11436060), (30, 10673656), (35, 9148848), (40, 8005242), (42, 7624040), (46, 6961080), (48, 6671035), (56, 5718030), (60, 5336828), (69, 4640720), (70, 4574424), (80, 4002621), (84, 3812020), (92, 3480540), (105, 3049616), (112, 2859015), (115, 2784432), (120, 2668414), (138, 2320360), (140, 2287212), (161, 1988880), (168, 1906010), (184, 1740270), (210, 1524808), (230, 1392216), (240, 1334207), (276, 1160180), (280, 1143606), (322, 994440), (336, 953005), (345, 928144), (368, 870135), (420, 762404), (460, 696108), (483, 662960), (552, 580090), (560, 571803), (644, 497220), (690, 464072), (805, 397776), (840, 381202), (920, 348054), (966, 331480), (1104, 290045), (1288, 248610), (1380, 232036), (1610, 198888), (1680, 190601), (1840, 174027), (1932, 165740), (2415, 132592), (2576, 124305), (2760, 116018), (3220, 99444), (3864, 82870), (4830, 66296), (5520, 58009), (6440, 49722), (7728, 41435), (8287, 38640), (9660, 33148), (12880, 24861), (16574, 19320)]