30417920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 88

約数和(自身を含む): 78752184

約数和(自身を除く): 48334264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 457, 512, 520, 640, 832, 914, 1024, 1040, 1280, 1664, 1828, 2080, 2285, 2560, 3328, 3656, 4160, 4570, 5120, 5941, 6656, 7312, 8320, 9140, 11882, 13312, 14624, 16640, 18280, 23764, 29248, 29705, 33280, 36560, 47528, 58496, 59410, 66560, 73120, 95056, 116992, 118820, 146240, 190112, 233984, 237640, 292480, 380224, 467968, 475280, 584960, 760448, 950560, 1169920, 1520896, 1901120, 2339840, 3041792, 3802240, 6083584, 7604480, 15208960, 30417920]

約数ペア:

[(1, 30417920), (2, 15208960), (4, 7604480), (5, 6083584), (8, 3802240), (10, 3041792), (13, 2339840), (16, 1901120), (20, 1520896), (26, 1169920), (32, 950560), (40, 760448), (52, 584960), (64, 475280), (65, 467968), (80, 380224), (104, 292480), (128, 237640), (130, 233984), (160, 190112), (208, 146240), (256, 118820), (260, 116992), (320, 95056), (416, 73120), (457, 66560), (512, 59410), (520, 58496), (640, 47528), (832, 36560), (914, 33280), (1024, 29705), (1040, 29248), (1280, 23764), (1664, 18280), (1828, 16640), (2080, 14624), (2285, 13312), (2560, 11882), (3328, 9140), (3656, 8320), (4160, 7312), (4570, 6656), (5120, 5941)]