64887408

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 188894160

約数和(自身を除く): 124006752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 83, 89, 122, 144, 166, 178, 183, 244, 249, 267, 332, 356, 366, 488, 498, 534, 549, 664, 712, 732, 747, 801, 976, 996, 1068, 1098, 1328, 1424, 1464, 1494, 1602, 1992, 2136, 2196, 2928, 2988, 3204, 3984, 4272, 4392, 5063, 5429, 5976, 6408, 7387, 8784, 10126, 10858, 11952, 12816, 14774, 15189, 16287, 20252, 21716, 22161, 29548, 30378, 32574, 40504, 43432, 44322, 45567, 48861, 59096, 60756, 65148, 66483, 81008, 86864, 88644, 91134, 97722, 118192, 121512, 130296, 132966, 177288, 182268, 195444, 243024, 260592, 265932, 354576, 364536, 390888, 450607, 531864, 729072, 781776, 901214, 1063728, 1351821, 1802428, 2703642, 3604856, 4055463, 5407284, 7209712, 8110926, 10814568, 16221852, 21629136, 32443704, 64887408]

約数ペア:

[(1, 64887408), (2, 32443704), (3, 21629136), (4, 16221852), (6, 10814568), (8, 8110926), (9, 7209712), (12, 5407284), (16, 4055463), (18, 3604856), (24, 2703642), (36, 1802428), (48, 1351821), (61, 1063728), (72, 901214), (83, 781776), (89, 729072), (122, 531864), (144, 450607), (166, 390888), (178, 364536), (183, 354576), (244, 265932), (249, 260592), (267, 243024), (332, 195444), (356, 182268), (366, 177288), (488, 132966), (498, 130296), (534, 121512), (549, 118192), (664, 97722), (712, 91134), (732, 88644), (747, 86864), (801, 81008), (976, 66483), (996, 65148), (1068, 60756), (1098, 59096), (1328, 48861), (1424, 45567), (1464, 44322), (1494, 43432), (1602, 40504), (1992, 32574), (2136, 30378), (2196, 29548), (2928, 22161), (2988, 21716), (3204, 20252), (3984, 16287), (4272, 15189), (4392, 14774), (5063, 12816), (5429, 11952), (5976, 10858), (6408, 10126), (7387, 8784)]