277800640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1626

約数の個数: 112

約数和(自身を含む): 729435168

約数和(自身を除く): 451634528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 320, 344, 416, 430, 520, 559, 688, 832, 860, 1040, 1118, 1376, 1553, 1720, 2080, 2236, 2752, 2795, 3106, 3440, 4160, 4472, 5590, 6212, 6880, 7765, 8944, 11180, 12424, 13760, 15530, 17888, 20189, 22360, 24848, 31060, 35776, 40378, 44720, 49696, 62120, 66779, 80756, 89440, 99392, 100945, 124240, 133558, 161512, 178880, 201890, 248480, 267116, 323024, 333895, 403780, 496960, 534232, 646048, 667790, 807560, 868127, 1068464, 1292096, 1335580, 1615120, 1736254, 2136928, 2671160, 3230240, 3472508, 4273856, 4340635, 5342320, 6460480, 6945016, 8681270, 10684640, 13890032, 17362540, 21369280, 27780064, 34725080, 55560128, 69450160, 138900320, 277800640]

約数ペア:

[(1, 277800640), (2, 138900320), (4, 69450160), (5, 55560128), (8, 34725080), (10, 27780064), (13, 21369280), (16, 17362540), (20, 13890032), (26, 10684640), (32, 8681270), (40, 6945016), (43, 6460480), (52, 5342320), (64, 4340635), (65, 4273856), (80, 3472508), (86, 3230240), (104, 2671160), (130, 2136928), (160, 1736254), (172, 1615120), (208, 1335580), (215, 1292096), (260, 1068464), (320, 868127), (344, 807560), (416, 667790), (430, 646048), (520, 534232), (559, 496960), (688, 403780), (832, 333895), (860, 323024), (1040, 267116), (1118, 248480), (1376, 201890), (1553, 178880), (1720, 161512), (2080, 133558), (2236, 124240), (2752, 100945), (2795, 99392), (3106, 89440), (3440, 80756), (4160, 66779), (4472, 62120), (5590, 49696), (6212, 44720), (6880, 40378), (7765, 35776), (8944, 31060), (11180, 24848), (12424, 22360), (13760, 20189), (15530, 17888)]