212581440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:577

約数の個数: 168

約数和(自身を含む): 736689408

約数和(自身を除く): 524107968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 223, 240, 288, 320, 331, 360, 446, 480, 576, 662, 669, 720, 892, 960, 993, 1115, 1324, 1338, 1440, 1655, 1784, 1986, 2007, 2230, 2648, 2676, 2880, 2979, 3310, 3345, 3568, 3972, 4014, 4460, 4965, 5296, 5352, 5958, 6620, 6690, 7136, 7944, 8028, 8920, 9930, 10035, 10592, 10704, 11916, 13240, 13380, 14272, 14895, 15888, 16056, 17840, 19860, 20070, 21184, 21408, 23832, 26480, 26760, 29790, 31776, 32112, 35680, 39720, 40140, 42816, 47664, 52960, 53520, 59580, 63552, 64224, 71360, 73813, 79440, 80280, 95328, 105920, 107040, 119160, 128448, 147626, 158880, 160560, 190656, 214080, 221439, 238320, 295252, 317760, 321120, 369065, 442878, 476640, 590504, 642240, 664317, 738130, 885756, 953280, 1107195, 1181008, 1328634, 1476260, 1771512, 2214390, 2362016, 2657268, 2952520, 3321585, 3543024, 4428780, 4724032, 5314536, 5905040, 6643170, 7086048, 8857560, 10629072, 11810080, 13286340, 14172096, 17715120, 21258144, 23620160, 26572680, 35430240, 42516288, 53145360, 70860480, 106290720, 212581440]

約数ペア:

[(1, 212581440), (2, 106290720), (3, 70860480), (4, 53145360), (5, 42516288), (6, 35430240), (8, 26572680), (9, 23620160), (10, 21258144), (12, 17715120), (15, 14172096), (16, 13286340), (18, 11810080), (20, 10629072), (24, 8857560), (30, 7086048), (32, 6643170), (36, 5905040), (40, 5314536), (45, 4724032), (48, 4428780), (60, 3543024), (64, 3321585), (72, 2952520), (80, 2657268), (90, 2362016), (96, 2214390), (120, 1771512), (144, 1476260), (160, 1328634), (180, 1181008), (192, 1107195), (223, 953280), (240, 885756), (288, 738130), (320, 664317), (331, 642240), (360, 590504), (446, 476640), (480, 442878), (576, 369065), (662, 321120), (669, 317760), (720, 295252), (892, 238320), (960, 221439), (993, 214080), (1115, 190656), (1324, 160560), (1338, 158880), (1440, 147626), (1655, 128448), (1784, 119160), (1986, 107040), (2007, 105920), (2230, 95328), (2648, 80280), (2676, 79440), (2880, 73813), (2979, 71360), (3310, 64224), (3345, 63552), (3568, 59580), (3972, 53520), (4014, 52960), (4460, 47664), (4965, 42816), (5296, 40140), (5352, 39720), (5958, 35680), (6620, 32112), (6690, 31776), (7136, 29790), (7944, 26760), (8028, 26480), (8920, 23832), (9930, 21408), (10035, 21184), (10592, 20070), (10704, 19860), (11916, 17840), (13240, 16056), (13380, 15888), (14272, 14895)]