121937920

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:273

約数の個数: 112

約数和(自身を含む): 316519560

約数和(自身を除く): 194581640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 229, 256, 260, 320, 416, 458, 512, 520, 640, 832, 916, 1024, 1040, 1145, 1280, 1664, 1832, 2048, 2080, 2290, 2560, 2977, 3328, 3664, 4096, 4160, 4580, 5120, 5954, 6656, 7328, 8192, 8320, 9160, 10240, 11908, 13312, 14656, 14885, 16640, 18320, 20480, 23816, 26624, 29312, 29770, 33280, 36640, 40960, 47632, 53248, 58624, 59540, 66560, 73280, 95264, 106496, 117248, 119080, 133120, 146560, 190528, 234496, 238160, 266240, 293120, 381056, 468992, 476320, 532480, 586240, 762112, 937984, 952640, 1172480, 1524224, 1875968, 1905280, 2344960, 3048448, 3810560, 4689920, 6096896, 7621120, 9379840, 12193792, 15242240, 24387584, 30484480, 60968960, 121937920]

約数ペア:

[(1, 121937920), (2, 60968960), (4, 30484480), (5, 24387584), (8, 15242240), (10, 12193792), (13, 9379840), (16, 7621120), (20, 6096896), (26, 4689920), (32, 3810560), (40, 3048448), (52, 2344960), (64, 1905280), (65, 1875968), (80, 1524224), (104, 1172480), (128, 952640), (130, 937984), (160, 762112), (208, 586240), (229, 532480), (256, 476320), (260, 468992), (320, 381056), (416, 293120), (458, 266240), (512, 238160), (520, 234496), (640, 190528), (832, 146560), (916, 133120), (1024, 119080), (1040, 117248), (1145, 106496), (1280, 95264), (1664, 73280), (1832, 66560), (2048, 59540), (2080, 58624), (2290, 53248), (2560, 47632), (2977, 40960), (3328, 36640), (3664, 33280), (4096, 29770), (4160, 29312), (4580, 26624), (5120, 23816), (5954, 20480), (6656, 18320), (7328, 16640), (8192, 14885), (8320, 14656), (9160, 13312), (10240, 11908)]