28104960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:600

約数の個数: 144

約数和(自身を含む): 96836544

約数和(自身を除く): 68731584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 563, 624, 640, 768, 780, 832, 960, 1040, 1126, 1248, 1280, 1560, 1664, 1689, 1920, 2080, 2252, 2496, 2815, 3120, 3328, 3378, 3840, 4160, 4504, 4992, 5630, 6240, 6756, 7319, 8320, 8445, 9008, 9984, 11260, 12480, 13512, 14638, 16640, 16890, 18016, 21957, 22520, 24960, 27024, 29276, 33780, 36032, 36595, 43914, 45040, 49920, 54048, 58552, 67560, 72064, 73190, 87828, 90080, 108096, 109785, 117104, 135120, 144128, 146380, 175656, 180160, 216192, 219570, 234208, 270240, 292760, 351312, 360320, 432384, 439140, 468416, 540480, 585520, 702624, 720640, 878280, 936832, 1080960, 1171040, 1405248, 1756560, 1873664, 2161920, 2342080, 2810496, 3513120, 4684160, 5620992, 7026240, 9368320, 14052480, 28104960]

約数ペア:

[(1, 28104960), (2, 14052480), (3, 9368320), (4, 7026240), (5, 5620992), (6, 4684160), (8, 3513120), (10, 2810496), (12, 2342080), (13, 2161920), (15, 1873664), (16, 1756560), (20, 1405248), (24, 1171040), (26, 1080960), (30, 936832), (32, 878280), (39, 720640), (40, 702624), (48, 585520), (52, 540480), (60, 468416), (64, 439140), (65, 432384), (78, 360320), (80, 351312), (96, 292760), (104, 270240), (120, 234208), (128, 219570), (130, 216192), (156, 180160), (160, 175656), (192, 146380), (195, 144128), (208, 135120), (240, 117104), (256, 109785), (260, 108096), (312, 90080), (320, 87828), (384, 73190), (390, 72064), (416, 67560), (480, 58552), (520, 54048), (563, 49920), (624, 45040), (640, 43914), (768, 36595), (780, 36032), (832, 33780), (960, 29276), (1040, 27024), (1126, 24960), (1248, 22520), (1280, 21957), (1560, 18016), (1664, 16890), (1689, 16640), (1920, 14638), (2080, 13512), (2252, 12480), (2496, 11260), (2815, 9984), (3120, 9008), (3328, 8445), (3378, 8320), (3840, 7319), (4160, 6756), (4504, 6240), (4992, 5630)]