17921280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 61810560

約数和(自身を除く): 43889280

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, 359, 384, 390, 416, 480, 520, 624, 640, 718, 768, 780, 832, 960, 1040, 1077, 1248, 1280, 1436, 1560, 1664, 1795, 1920, 2080, 2154, 2496, 2872, 3120, 3328, 3590, 3840, 4160, 4308, 4667, 4992, 5385, 5744, 6240, 7180, 8320, 8616, 9334, 9984, 10770, 11488, 12480, 14001, 14360, 16640, 17232, 18668, 21540, 22976, 23335, 24960, 28002, 28720, 34464, 37336, 43080, 45952, 46670, 49920, 56004, 57440, 68928, 70005, 74672, 86160, 91904, 93340, 112008, 114880, 137856, 140010, 149344, 172320, 186680, 224016, 229760, 275712, 280020, 298688, 344640, 373360, 448032, 459520, 560040, 597376, 689280, 746720, 896064, 1120080, 1194752, 1378560, 1493440, 1792128, 2240160, 2986880, 3584256, 4480320, 5973760, 8960640, 17921280]

約数ペア:

[(1, 17921280), (2, 8960640), (3, 5973760), (4, 4480320), (5, 3584256), (6, 2986880), (8, 2240160), (10, 1792128), (12, 1493440), (13, 1378560), (15, 1194752), (16, 1120080), (20, 896064), (24, 746720), (26, 689280), (30, 597376), (32, 560040), (39, 459520), (40, 448032), (48, 373360), (52, 344640), (60, 298688), (64, 280020), (65, 275712), (78, 229760), (80, 224016), (96, 186680), (104, 172320), (120, 149344), (128, 140010), (130, 137856), (156, 114880), (160, 112008), (192, 93340), (195, 91904), (208, 86160), (240, 74672), (256, 70005), (260, 68928), (312, 57440), (320, 56004), (359, 49920), (384, 46670), (390, 45952), (416, 43080), (480, 37336), (520, 34464), (624, 28720), (640, 28002), (718, 24960), (768, 23335), (780, 22976), (832, 21540), (960, 18668), (1040, 17232), (1077, 16640), (1248, 14360), (1280, 14001), (1436, 12480), (1560, 11488), (1664, 10770), (1795, 9984), (1920, 9334), (2080, 8616), (2154, 8320), (2496, 7180), (2872, 6240), (3120, 5744), (3328, 5385), (3590, 4992), (3840, 4667), (4160, 4308)]