80711040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 260075520

約数和(自身を除く): 179364480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 320, 331, 381, 384, 480, 508, 635, 640, 662, 762, 960, 993, 1016, 1270, 1324, 1524, 1655, 1905, 1920, 1986, 2032, 2540, 2648, 3048, 3310, 3810, 3972, 4064, 4965, 5080, 5296, 6096, 6620, 7620, 7944, 8128, 9930, 10160, 10592, 12192, 13240, 15240, 15888, 16256, 19860, 20320, 21184, 24384, 26480, 30480, 31776, 39720, 40640, 42037, 42368, 48768, 52960, 60960, 63552, 79440, 81280, 84074, 105920, 121920, 126111, 127104, 158880, 168148, 210185, 211840, 243840, 252222, 317760, 336296, 420370, 504444, 630555, 635520, 672592, 840740, 1008888, 1261110, 1345184, 1681480, 2017776, 2522220, 2690368, 3362960, 4035552, 5044440, 5380736, 6725920, 8071104, 10088880, 13451840, 16142208, 20177760, 26903680, 40355520, 80711040]

約数ペア:

[(1, 80711040), (2, 40355520), (3, 26903680), (4, 20177760), (5, 16142208), (6, 13451840), (8, 10088880), (10, 8071104), (12, 6725920), (15, 5380736), (16, 5044440), (20, 4035552), (24, 3362960), (30, 2690368), (32, 2522220), (40, 2017776), (48, 1681480), (60, 1345184), (64, 1261110), (80, 1008888), (96, 840740), (120, 672592), (127, 635520), (128, 630555), (160, 504444), (192, 420370), (240, 336296), (254, 317760), (320, 252222), (331, 243840), (381, 211840), (384, 210185), (480, 168148), (508, 158880), (635, 127104), (640, 126111), (662, 121920), (762, 105920), (960, 84074), (993, 81280), (1016, 79440), (1270, 63552), (1324, 60960), (1524, 52960), (1655, 48768), (1905, 42368), (1920, 42037), (1986, 40640), (2032, 39720), (2540, 31776), (2648, 30480), (3048, 26480), (3310, 24384), (3810, 21184), (3972, 20320), (4064, 19860), (4965, 16256), (5080, 15888), (5296, 15240), (6096, 13240), (6620, 12192), (7620, 10592), (7944, 10160), (8128, 9930)]