12655520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 33022080

約数和(自身を除く): 20366560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 181, 184, 190, 230, 304, 362, 368, 380, 437, 460, 608, 724, 736, 760, 874, 905, 920, 1448, 1520, 1748, 1810, 1840, 2185, 2896, 3040, 3439, 3496, 3620, 3680, 4163, 4370, 5792, 6878, 6992, 7240, 8326, 8740, 13756, 13984, 14480, 16652, 17195, 17480, 20815, 27512, 28960, 33304, 34390, 34960, 41630, 55024, 66608, 68780, 69920, 79097, 83260, 110048, 133216, 137560, 158194, 166520, 275120, 316388, 333040, 395485, 550240, 632776, 666080, 790970, 1265552, 1581940, 2531104, 3163880, 6327760, 12655520]

約数ペア:

[(1, 12655520), (2, 6327760), (4, 3163880), (5, 2531104), (8, 1581940), (10, 1265552), (16, 790970), (19, 666080), (20, 632776), (23, 550240), (32, 395485), (38, 333040), (40, 316388), (46, 275120), (76, 166520), (80, 158194), (92, 137560), (95, 133216), (115, 110048), (152, 83260), (160, 79097), (181, 69920), (184, 68780), (190, 66608), (230, 55024), (304, 41630), (362, 34960), (368, 34390), (380, 33304), (437, 28960), (460, 27512), (608, 20815), (724, 17480), (736, 17195), (760, 16652), (874, 14480), (905, 13984), (920, 13756), (1448, 8740), (1520, 8326), (1748, 7240), (1810, 6992), (1840, 6878), (2185, 5792), (2896, 4370), (3040, 4163), (3439, 3680), (3496, 3620)]