123912320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1627}}^1$

素因数の和:1670

約数の個数: 128

約数和(自身を含む): 358680960

約数和(自身を除く): 234768640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1627, 1904, 2176, 2240, 2380, 2720, 3254, 3808, 4480, 4760, 5440, 6508, 7616, 8135, 9520, 10880, 11389, 13016, 15232, 16270, 19040, 22778, 26032, 27659, 32540, 38080, 45556, 52064, 55318, 56945, 65080, 76160, 91112, 104128, 110636, 113890, 130160, 138295, 182224, 193613, 208256, 221272, 227780, 260320, 276590, 364448, 387226, 442544, 455560, 520640, 553180, 728896, 774452, 885088, 911120, 968065, 1041280, 1106360, 1457792, 1548904, 1770176, 1822240, 1936130, 2212720, 3097808, 3540352, 3644480, 3872260, 4425440, 6195616, 7288960, 7744520, 8850880, 12391232, 15489040, 17701760, 24782464, 30978080, 61956160, 123912320]

約数ペア:

[(1, 123912320), (2, 61956160), (4, 30978080), (5, 24782464), (7, 17701760), (8, 15489040), (10, 12391232), (14, 8850880), (16, 7744520), (17, 7288960), (20, 6195616), (28, 4425440), (32, 3872260), (34, 3644480), (35, 3540352), (40, 3097808), (56, 2212720), (64, 1936130), (68, 1822240), (70, 1770176), (80, 1548904), (85, 1457792), (112, 1106360), (119, 1041280), (128, 968065), (136, 911120), (140, 885088), (160, 774452), (170, 728896), (224, 553180), (238, 520640), (272, 455560), (280, 442544), (320, 387226), (340, 364448), (448, 276590), (476, 260320), (544, 227780), (560, 221272), (595, 208256), (640, 193613), (680, 182224), (896, 138295), (952, 130160), (1088, 113890), (1120, 110636), (1190, 104128), (1360, 91112), (1627, 76160), (1904, 65080), (2176, 56945), (2240, 55318), (2380, 52064), (2720, 45556), (3254, 38080), (3808, 32540), (4480, 27659), (4760, 26032), (5440, 22778), (6508, 19040), (7616, 16270), (8135, 15232), (9520, 13016), (10880, 11389)]