816907520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4463}}^1$

素因数の和:4508

約数の個数: 144

約数和(自身を含む): 2299352832

約数和(自身を除く): 1482445312

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1280, 1408, 1430, 1664, 1760, 2080, 2288, 2816, 2860, 3328, 3520, 4160, 4463, 4576, 5720, 7040, 8320, 8926, 9152, 11440, 14080, 16640, 17852, 18304, 22315, 22880, 35704, 36608, 44630, 45760, 49093, 58019, 71408, 89260, 91520, 98186, 116038, 142816, 178520, 183040, 196372, 232076, 245465, 285632, 290095, 357040, 392744, 464152, 490930, 571264, 580190, 638209, 714080, 785488, 928304, 981860, 1142528, 1160380, 1276418, 1428160, 1570976, 1856608, 1963720, 2320760, 2552836, 2856320, 3141952, 3191045, 3713216, 3927440, 4641520, 5105672, 5712640, 6283904, 6382090, 7426432, 7854880, 9283040, 10211344, 12567808, 12764180, 14852864, 15709760, 18566080, 20422688, 25528360, 31419520, 37132160, 40845376, 51056720, 62839040, 74264320, 81690752, 102113440, 163381504, 204226880, 408453760, 816907520]

約数ペア:

[(1, 816907520), (2, 408453760), (4, 204226880), (5, 163381504), (8, 102113440), (10, 81690752), (11, 74264320), (13, 62839040), (16, 51056720), (20, 40845376), (22, 37132160), (26, 31419520), (32, 25528360), (40, 20422688), (44, 18566080), (52, 15709760), (55, 14852864), (64, 12764180), (65, 12567808), (80, 10211344), (88, 9283040), (104, 7854880), (110, 7426432), (128, 6382090), (130, 6283904), (143, 5712640), (160, 5105672), (176, 4641520), (208, 3927440), (220, 3713216), (256, 3191045), (260, 3141952), (286, 2856320), (320, 2552836), (352, 2320760), (416, 1963720), (440, 1856608), (520, 1570976), (572, 1428160), (640, 1276418), (704, 1160380), (715, 1142528), (832, 981860), (880, 928304), (1040, 785488), (1144, 714080), (1280, 638209), (1408, 580190), (1430, 571264), (1664, 490930), (1760, 464152), (2080, 392744), (2288, 357040), (2816, 290095), (2860, 285632), (3328, 245465), (3520, 232076), (4160, 196372), (4463, 183040), (4576, 178520), (5720, 142816), (7040, 116038), (8320, 98186), (8926, 91520), (9152, 89260), (11440, 71408), (14080, 58019), (16640, 49093), (17852, 45760), (18304, 44630), (22315, 36608), (22880, 35704)]