280138560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22447}}^1$

素因数の和:22480

約数の個数: 112

約数和(自身を含む): 957901056

約数和(自身を除く): 677762496

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, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 22447, 44894, 67341, 89788, 112235, 134682, 179576, 224470, 269364, 291811, 336705, 359152, 448940, 538728, 583622, 673410, 718304, 875433, 897880, 1077456, 1167244, 1346820, 1436608, 1459055, 1750866, 1795760, 2154912, 2334488, 2693640, 2918110, 3501732, 3591520, 4309824, 4377165, 4668976, 5387280, 5836220, 7003464, 7183040, 8754330, 9337952, 10774560, 11672440, 14006928, 17508660, 18675904, 21549120, 23344880, 28013856, 35017320, 46689760, 56027712, 70034640, 93379520, 140069280, 280138560]

約数ペア:

[(1, 280138560), (2, 140069280), (3, 93379520), (4, 70034640), (5, 56027712), (6, 46689760), (8, 35017320), (10, 28013856), (12, 23344880), (13, 21549120), (15, 18675904), (16, 17508660), (20, 14006928), (24, 11672440), (26, 10774560), (30, 9337952), (32, 8754330), (39, 7183040), (40, 7003464), (48, 5836220), (52, 5387280), (60, 4668976), (64, 4377165), (65, 4309824), (78, 3591520), (80, 3501732), (96, 2918110), (104, 2693640), (120, 2334488), (130, 2154912), (156, 1795760), (160, 1750866), (192, 1459055), (195, 1436608), (208, 1346820), (240, 1167244), (260, 1077456), (312, 897880), (320, 875433), (390, 718304), (416, 673410), (480, 583622), (520, 538728), (624, 448940), (780, 359152), (832, 336705), (960, 291811), (1040, 269364), (1248, 224470), (1560, 179576), (2080, 134682), (2496, 112235), (3120, 89788), (4160, 67341), (6240, 44894), (12480, 22447)]