277998080

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 120

約数和(自身を含む): 694833876

約数和(自身を除く): 416835796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 113, 124, 128, 155, 160, 226, 248, 256, 310, 320, 452, 496, 512, 565, 620, 640, 904, 961, 992, 1130, 1240, 1280, 1808, 1922, 1984, 2260, 2480, 2560, 3503, 3616, 3844, 3968, 4520, 4805, 4960, 7006, 7232, 7688, 7936, 9040, 9610, 9920, 14012, 14464, 15376, 15872, 17515, 18080, 19220, 19840, 28024, 28928, 30752, 35030, 36160, 38440, 39680, 56048, 57856, 61504, 70060, 72320, 76880, 79360, 108593, 112096, 123008, 140120, 144640, 153760, 217186, 224192, 246016, 280240, 289280, 307520, 434372, 448384, 492032, 542965, 560480, 615040, 868744, 896768, 1085930, 1120960, 1230080, 1737488, 1793536, 2171860, 2241920, 2460160, 3474976, 4343720, 4483840, 6949952, 8687440, 8967680, 13899904, 17374880, 27799808, 34749760, 55599616, 69499520, 138999040, 277998080]

約数ペア:

[(1, 277998080), (2, 138999040), (4, 69499520), (5, 55599616), (8, 34749760), (10, 27799808), (16, 17374880), (20, 13899904), (31, 8967680), (32, 8687440), (40, 6949952), (62, 4483840), (64, 4343720), (80, 3474976), (113, 2460160), (124, 2241920), (128, 2171860), (155, 1793536), (160, 1737488), (226, 1230080), (248, 1120960), (256, 1085930), (310, 896768), (320, 868744), (452, 615040), (496, 560480), (512, 542965), (565, 492032), (620, 448384), (640, 434372), (904, 307520), (961, 289280), (992, 280240), (1130, 246016), (1240, 224192), (1280, 217186), (1808, 153760), (1922, 144640), (1984, 140120), (2260, 123008), (2480, 112096), (2560, 108593), (3503, 79360), (3616, 76880), (3844, 72320), (3968, 70060), (4520, 61504), (4805, 57856), (4960, 56048), (7006, 39680), (7232, 38440), (7688, 36160), (7936, 35030), (9040, 30752), (9610, 28928), (9920, 28024), (14012, 19840), (14464, 19220), (15376, 18080), (15872, 17515)]