128401920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{5573}}^1$

素因数の和:5602

約数の個数: 120

約数和(自身を含む): 444771756

約数和(自身を除く): 316369836

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, 5573, 5760, 7680, 11146, 11520, 16719, 22292, 23040, 27865, 33438, 44584, 50157, 55730, 66876, 83595, 89168, 100314, 111460, 133752, 167190, 178336, 200628, 222920, 250785, 267504, 334380, 356672, 401256, 445840, 501570, 535008, 668760, 713344, 802512, 891680, 1003140, 1070016, 1337520, 1426688, 1605024, 1783360, 2006280, 2140032, 2675040, 2853376, 3210048, 3566720, 4012560, 4280064, 5350080, 6420096, 7133440, 8025120, 8560128, 10700160, 12840192, 14266880, 16050240, 21400320, 25680384, 32100480, 42800640, 64200960, 128401920]

約数ペア:

[(1, 128401920), (2, 64200960), (3, 42800640), (4, 32100480), (5, 25680384), (6, 21400320), (8, 16050240), (9, 14266880), (10, 12840192), (12, 10700160), (15, 8560128), (16, 8025120), (18, 7133440), (20, 6420096), (24, 5350080), (30, 4280064), (32, 4012560), (36, 3566720), (40, 3210048), (45, 2853376), (48, 2675040), (60, 2140032), (64, 2006280), (72, 1783360), (80, 1605024), (90, 1426688), (96, 1337520), (120, 1070016), (128, 1003140), (144, 891680), (160, 802512), (180, 713344), (192, 668760), (240, 535008), (256, 501570), (288, 445840), (320, 401256), (360, 356672), (384, 334380), (480, 267504), (512, 250785), (576, 222920), (640, 200628), (720, 178336), (768, 167190), (960, 133752), (1152, 111460), (1280, 100314), (1440, 89168), (1536, 83595), (1920, 66876), (2304, 55730), (2560, 50157), (2880, 44584), (3840, 33438), (4608, 27865), (5573, 23040), (5760, 22292), (7680, 16719), (11146, 11520)]