640562328

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{55259}}^1$

素因数の和:55301

約数の個数: 96

約数和(自身を含む): 2068934400

約数和(自身を除く): 1428372072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 56, 63, 69, 72, 84, 92, 126, 138, 161, 168, 184, 207, 252, 276, 322, 414, 483, 504, 552, 644, 828, 966, 1288, 1449, 1656, 1932, 2898, 3864, 5796, 11592, 55259, 110518, 165777, 221036, 331554, 386813, 442072, 497331, 663108, 773626, 994662, 1160439, 1270957, 1326216, 1547252, 1989324, 2320878, 2541914, 3094504, 3481317, 3812871, 3978648, 4641756, 5083828, 6962634, 7625742, 8896699, 9283512, 10167656, 11438613, 13925268, 15251484, 17793398, 22877226, 26690097, 27850536, 30502968, 35586796, 45754452, 53380194, 71173592, 80070291, 91508904, 106760388, 160140582, 213520776, 320281164, 640562328]

約数ペア:

[(1, 640562328), (2, 320281164), (3, 213520776), (4, 160140582), (6, 106760388), (7, 91508904), (8, 80070291), (9, 71173592), (12, 53380194), (14, 45754452), (18, 35586796), (21, 30502968), (23, 27850536), (24, 26690097), (28, 22877226), (36, 17793398), (42, 15251484), (46, 13925268), (56, 11438613), (63, 10167656), (69, 9283512), (72, 8896699), (84, 7625742), (92, 6962634), (126, 5083828), (138, 4641756), (161, 3978648), (168, 3812871), (184, 3481317), (207, 3094504), (252, 2541914), (276, 2320878), (322, 1989324), (414, 1547252), (483, 1326216), (504, 1270957), (552, 1160439), (644, 994662), (828, 773626), (966, 663108), (1288, 497331), (1449, 442072), (1656, 386813), (1932, 331554), (2898, 221036), (3864, 165777), (5796, 110518), (11592, 55259)]