449994240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{19531}}^1$

素因数の和:19560

約数の個数: 120

約数和(自身を含む): 1558536408

約数和(自身を除く): 1108542168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 19531, 23040, 39062, 58593, 78124, 97655, 117186, 156248, 175779, 195310, 234372, 292965, 312496, 351558, 390620, 468744, 585930, 624992, 703116, 781240, 878895, 937488, 1171860, 1249984, 1406232, 1562480, 1757790, 1874976, 2343720, 2499968, 2812464, 3124960, 3515580, 3749952, 4687440, 4999936, 5624928, 6249920, 7031160, 7499904, 9374880, 9999872, 11249856, 12499840, 14062320, 14999808, 18749760, 22499712, 24999680, 28124640, 29999616, 37499520, 44999424, 49999360, 56249280, 74999040, 89998848, 112498560, 149998080, 224997120, 449994240]

約数ペア:

[(1, 449994240), (2, 224997120), (3, 149998080), (4, 112498560), (5, 89998848), (6, 74999040), (8, 56249280), (9, 49999360), (10, 44999424), (12, 37499520), (15, 29999616), (16, 28124640), (18, 24999680), (20, 22499712), (24, 18749760), (30, 14999808), (32, 14062320), (36, 12499840), (40, 11249856), (45, 9999872), (48, 9374880), (60, 7499904), (64, 7031160), (72, 6249920), (80, 5624928), (90, 4999936), (96, 4687440), (120, 3749952), (128, 3515580), (144, 3124960), (160, 2812464), (180, 2499968), (192, 2343720), (240, 1874976), (256, 1757790), (288, 1562480), (320, 1406232), (360, 1249984), (384, 1171860), (480, 937488), (512, 878895), (576, 781240), (640, 703116), (720, 624992), (768, 585930), (960, 468744), (1152, 390620), (1280, 351558), (1440, 312496), (1536, 292965), (1920, 234372), (2304, 195310), (2560, 175779), (2880, 156248), (3840, 117186), (4608, 97655), (5760, 78124), (7680, 58593), (11520, 39062), (19531, 23040)]