721231776

素因数分解:

$2^5\times 3^6\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:790

約数の個数: 168

約数和(自身を含む): 2181453120

約数和(自身を除く): 1460221344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 216, 243, 258, 288, 324, 344, 387, 432, 486, 516, 648, 688, 719, 729, 774, 864, 972, 1032, 1161, 1296, 1376, 1438, 1458, 1548, 1944, 2064, 2157, 2322, 2592, 2876, 2916, 3096, 3483, 3888, 4128, 4314, 4644, 5752, 5832, 6192, 6471, 6966, 7776, 8628, 9288, 10449, 11504, 11664, 12384, 12942, 13932, 17256, 18576, 19413, 20898, 23008, 23328, 25884, 27864, 30917, 31347, 34512, 37152, 38826, 41796, 51768, 55728, 58239, 61834, 62694, 69024, 77652, 83592, 92751, 103536, 111456, 116478, 123668, 125388, 155304, 167184, 174717, 185502, 207072, 232956, 247336, 250776, 278253, 310608, 334368, 349434, 371004, 465912, 494672, 501552, 524151, 556506, 621216, 698868, 742008, 834759, 931824, 989344, 1003104, 1048302, 1113012, 1397736, 1484016, 1669518, 1863648, 2096604, 2226024, 2504277, 2795472, 2968032, 3339036, 4193208, 4452048, 5008554, 5590944, 6678072, 7512831, 8386416, 8904096, 10017108, 13356144, 15025662, 16772832, 20034216, 22538493, 26712288, 30051324, 40068432, 45076986, 60102648, 80136864, 90153972, 120205296, 180307944, 240410592, 360615888, 721231776]

約数ペア:

[(1, 721231776), (2, 360615888), (3, 240410592), (4, 180307944), (6, 120205296), (8, 90153972), (9, 80136864), (12, 60102648), (16, 45076986), (18, 40068432), (24, 30051324), (27, 26712288), (32, 22538493), (36, 20034216), (43, 16772832), (48, 15025662), (54, 13356144), (72, 10017108), (81, 8904096), (86, 8386416), (96, 7512831), (108, 6678072), (129, 5590944), (144, 5008554), (162, 4452048), (172, 4193208), (216, 3339036), (243, 2968032), (258, 2795472), (288, 2504277), (324, 2226024), (344, 2096604), (387, 1863648), (432, 1669518), (486, 1484016), (516, 1397736), (648, 1113012), (688, 1048302), (719, 1003104), (729, 989344), (774, 931824), (864, 834759), (972, 742008), (1032, 698868), (1161, 621216), (1296, 556506), (1376, 524151), (1438, 501552), (1458, 494672), (1548, 465912), (1944, 371004), (2064, 349434), (2157, 334368), (2322, 310608), (2592, 278253), (2876, 250776), (2916, 247336), (3096, 232956), (3483, 207072), (3888, 185502), (4128, 174717), (4314, 167184), (4644, 155304), (5752, 125388), (5832, 123668), (6192, 116478), (6471, 111456), (6966, 103536), (7776, 92751), (8628, 83592), (9288, 77652), (10449, 69024), (11504, 62694), (11664, 61834), (12384, 58239), (12942, 55728), (13932, 51768), (17256, 41796), (18576, 38826), (19413, 37152), (20898, 34512), (23008, 31347), (23328, 30917), (25884, 27864)]