327945280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2604

約数の個数: 112

約数和(自身を含む): 868460544

約数和(自身を除く): 540515264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 2543, 3224, 4030, 4160, 4960, 5086, 6448, 8060, 9920, 10172, 12715, 12896, 16120, 20344, 25430, 25792, 32240, 33059, 40688, 50860, 64480, 66118, 78833, 81376, 101720, 128960, 132236, 157666, 162752, 165295, 203440, 264472, 315332, 330590, 394165, 406880, 528944, 630664, 661180, 788330, 813760, 1024829, 1057888, 1261328, 1322360, 1576660, 2049658, 2115776, 2522656, 2644720, 3153320, 4099316, 5045312, 5124145, 5289440, 6306640, 8198632, 10248290, 10578880, 12613280, 16397264, 20496580, 25226560, 32794528, 40993160, 65589056, 81986320, 163972640, 327945280]

約数ペア:

[(1, 327945280), (2, 163972640), (4, 81986320), (5, 65589056), (8, 40993160), (10, 32794528), (13, 25226560), (16, 20496580), (20, 16397264), (26, 12613280), (31, 10578880), (32, 10248290), (40, 8198632), (52, 6306640), (62, 5289440), (64, 5124145), (65, 5045312), (80, 4099316), (104, 3153320), (124, 2644720), (130, 2522656), (155, 2115776), (160, 2049658), (208, 1576660), (248, 1322360), (260, 1261328), (310, 1057888), (320, 1024829), (403, 813760), (416, 788330), (496, 661180), (520, 630664), (620, 528944), (806, 406880), (832, 394165), (992, 330590), (1040, 315332), (1240, 264472), (1612, 203440), (1984, 165295), (2015, 162752), (2080, 157666), (2480, 132236), (2543, 128960), (3224, 101720), (4030, 81376), (4160, 78833), (4960, 66118), (5086, 64480), (6448, 50860), (8060, 40688), (9920, 33059), (10172, 32240), (12715, 25792), (12896, 25430), (16120, 20344)]