2811985280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2467}}^1$

素因数の和:2636

約数の個数: 128

約数和(自身を含む): 7295309280

約数和(自身を除く): 4483324000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 137, 160, 208, 260, 274, 320, 416, 520, 548, 640, 685, 832, 1040, 1096, 1370, 1664, 1781, 2080, 2192, 2467, 2740, 3562, 4160, 4384, 4934, 5480, 7124, 8320, 8768, 8905, 9868, 10960, 12335, 14248, 17536, 17810, 19736, 21920, 24670, 28496, 32071, 35620, 39472, 43840, 49340, 56992, 64142, 71240, 78944, 87680, 98680, 113984, 128284, 142480, 157888, 160355, 197360, 227968, 256568, 284960, 315776, 320710, 337979, 394720, 513136, 569920, 641420, 675958, 789440, 1026272, 1139840, 1282840, 1351916, 1578880, 1689895, 2052544, 2565680, 2703832, 3379790, 4105088, 4393727, 5131360, 5407664, 6759580, 8787454, 10262720, 10815328, 13519160, 17574908, 20525440, 21630656, 21968635, 27038320, 35149816, 43261312, 43937270, 54076640, 70299632, 87874540, 108153280, 140599264, 175749080, 216306560, 281198528, 351498160, 562397056, 702996320, 1405992640, 2811985280]

約数ペア:

[(1, 2811985280), (2, 1405992640), (4, 702996320), (5, 562397056), (8, 351498160), (10, 281198528), (13, 216306560), (16, 175749080), (20, 140599264), (26, 108153280), (32, 87874540), (40, 70299632), (52, 54076640), (64, 43937270), (65, 43261312), (80, 35149816), (104, 27038320), (128, 21968635), (130, 21630656), (137, 20525440), (160, 17574908), (208, 13519160), (260, 10815328), (274, 10262720), (320, 8787454), (416, 6759580), (520, 5407664), (548, 5131360), (640, 4393727), (685, 4105088), (832, 3379790), (1040, 2703832), (1096, 2565680), (1370, 2052544), (1664, 1689895), (1781, 1578880), (2080, 1351916), (2192, 1282840), (2467, 1139840), (2740, 1026272), (3562, 789440), (4160, 675958), (4384, 641420), (4934, 569920), (5480, 513136), (7124, 394720), (8320, 337979), (8768, 320710), (8905, 315776), (9868, 284960), (10960, 256568), (12335, 227968), (14248, 197360), (17536, 160355), (17810, 157888), (19736, 142480), (21920, 128284), (24670, 113984), (28496, 98680), (32071, 87680), (35620, 78944), (39472, 71240), (43840, 64142), (49340, 56992)]