816653760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65437}}^1$

素因数の和:65470

約数の個数: 112

約数和(自身を含む): 2792370336

約数和(自身を除く): 1975716576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 65437, 130874, 196311, 261748, 327185, 392622, 523496, 654370, 785244, 850681, 981555, 1046992, 1308740, 1570488, 1701362, 1963110, 2093984, 2552043, 2617480, 3140976, 3402724, 3926220, 4187968, 4253405, 5104086, 5234960, 6281952, 6805448, 7852440, 8506810, 10208172, 10469920, 12563904, 12760215, 13610896, 15704880, 17013620, 20416344, 20939840, 25520430, 27221792, 31409760, 34027240, 40832688, 51040860, 54443584, 62819520, 68054480, 81665376, 102081720, 136108960, 163330752, 204163440, 272217920, 408326880, 816653760]

約数ペア:

[(1, 816653760), (2, 408326880), (3, 272217920), (4, 204163440), (5, 163330752), (6, 136108960), (8, 102081720), (10, 81665376), (12, 68054480), (13, 62819520), (15, 54443584), (16, 51040860), (20, 40832688), (24, 34027240), (26, 31409760), (30, 27221792), (32, 25520430), (39, 20939840), (40, 20416344), (48, 17013620), (52, 15704880), (60, 13610896), (64, 12760215), (65, 12563904), (78, 10469920), (80, 10208172), (96, 8506810), (104, 7852440), (120, 6805448), (130, 6281952), (156, 5234960), (160, 5104086), (192, 4253405), (195, 4187968), (208, 3926220), (240, 3402724), (260, 3140976), (312, 2617480), (320, 2552043), (390, 2093984), (416, 1963110), (480, 1701362), (520, 1570488), (624, 1308740), (780, 1046992), (832, 981555), (960, 850681), (1040, 785244), (1248, 654370), (1560, 523496), (2080, 392622), (2496, 327185), (3120, 261748), (4160, 196311), (6240, 130874), (12480, 65437)]