30900480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 106451520

約数和(自身を除く): 75551040

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, 619, 624, 640, 768, 780, 832, 960, 1040, 1238, 1248, 1280, 1560, 1664, 1857, 1920, 2080, 2476, 2496, 3095, 3120, 3328, 3714, 3840, 4160, 4952, 4992, 6190, 6240, 7428, 8047, 8320, 9285, 9904, 9984, 12380, 12480, 14856, 16094, 16640, 18570, 19808, 24141, 24760, 24960, 29712, 32188, 37140, 39616, 40235, 48282, 49520, 49920, 59424, 64376, 74280, 79232, 80470, 96564, 99040, 118848, 120705, 128752, 148560, 158464, 160940, 193128, 198080, 237696, 241410, 257504, 297120, 321880, 386256, 396160, 475392, 482820, 515008, 594240, 643760, 772512, 792320, 965640, 1030016, 1188480, 1287520, 1545024, 1931280, 2060032, 2376960, 2575040, 3090048, 3862560, 5150080, 6180096, 7725120, 10300160, 15450240, 30900480]

約数ペア:

[(1, 30900480), (2, 15450240), (3, 10300160), (4, 7725120), (5, 6180096), (6, 5150080), (8, 3862560), (10, 3090048), (12, 2575040), (13, 2376960), (15, 2060032), (16, 1931280), (20, 1545024), (24, 1287520), (26, 1188480), (30, 1030016), (32, 965640), (39, 792320), (40, 772512), (48, 643760), (52, 594240), (60, 515008), (64, 482820), (65, 475392), (78, 396160), (80, 386256), (96, 321880), (104, 297120), (120, 257504), (128, 241410), (130, 237696), (156, 198080), (160, 193128), (192, 160940), (195, 158464), (208, 148560), (240, 128752), (256, 120705), (260, 118848), (312, 99040), (320, 96564), (384, 80470), (390, 79232), (416, 74280), (480, 64376), (520, 59424), (619, 49920), (624, 49520), (640, 48282), (768, 40235), (780, 39616), (832, 37140), (960, 32188), (1040, 29712), (1238, 24960), (1248, 24760), (1280, 24141), (1560, 19808), (1664, 18570), (1857, 16640), (1920, 16094), (2080, 14856), (2476, 12480), (2496, 12380), (3095, 9984), (3120, 9904), (3328, 9285), (3714, 8320), (3840, 8047), (4160, 7428), (4952, 6240), (4992, 6190)]