128461440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2909}}^1$

素因数の和:2954

約数の個数: 128

約数和(自身を含む): 427420800

約数和(自身を除く): 298959360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2909, 2944, 3680, 4416, 5520, 5818, 7360, 8727, 8832, 11040, 11636, 14545, 14720, 17454, 22080, 23272, 29090, 34908, 43635, 44160, 46544, 58180, 66907, 69816, 87270, 93088, 116360, 133814, 139632, 174540, 186176, 200721, 232720, 267628, 279264, 334535, 349080, 372352, 401442, 465440, 535256, 558528, 669070, 698160, 802884, 930880, 1003605, 1070512, 1117056, 1338140, 1396320, 1605768, 1861760, 2007210, 2141024, 2676280, 2792640, 3211536, 4014420, 4282048, 5352560, 5585280, 6423072, 8028840, 8564096, 10705120, 12846144, 16057680, 21410240, 25692288, 32115360, 42820480, 64230720, 128461440]

約数ペア:

[(1, 128461440), (2, 64230720), (3, 42820480), (4, 32115360), (5, 25692288), (6, 21410240), (8, 16057680), (10, 12846144), (12, 10705120), (15, 8564096), (16, 8028840), (20, 6423072), (23, 5585280), (24, 5352560), (30, 4282048), (32, 4014420), (40, 3211536), (46, 2792640), (48, 2676280), (60, 2141024), (64, 2007210), (69, 1861760), (80, 1605768), (92, 1396320), (96, 1338140), (115, 1117056), (120, 1070512), (128, 1003605), (138, 930880), (160, 802884), (184, 698160), (192, 669070), (230, 558528), (240, 535256), (276, 465440), (320, 401442), (345, 372352), (368, 349080), (384, 334535), (460, 279264), (480, 267628), (552, 232720), (640, 200721), (690, 186176), (736, 174540), (920, 139632), (960, 133814), (1104, 116360), (1380, 93088), (1472, 87270), (1840, 69816), (1920, 66907), (2208, 58180), (2760, 46544), (2909, 44160), (2944, 43635), (3680, 34908), (4416, 29090), (5520, 23272), (5818, 22080), (7360, 17454), (8727, 14720), (8832, 14545), (11040, 11636)]