20868480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3623}}^1$

素因数の和:3648

約数の個数: 96

約数和(自身を含む): 72081360

約数和(自身を除く): 51212880

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, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3623, 5760, 7246, 10869, 14492, 18115, 21738, 28984, 32607, 36230, 43476, 54345, 57968, 65214, 72460, 86952, 108690, 115936, 130428, 144920, 163035, 173904, 217380, 231872, 260856, 289840, 326070, 347808, 434760, 463744, 521712, 579680, 652140, 695616, 869520, 1043424, 1159360, 1304280, 1391232, 1739040, 2086848, 2318720, 2608560, 3478080, 4173696, 5217120, 6956160, 10434240, 20868480]

約数ペア:

[(1, 20868480), (2, 10434240), (3, 6956160), (4, 5217120), (5, 4173696), (6, 3478080), (8, 2608560), (9, 2318720), (10, 2086848), (12, 1739040), (15, 1391232), (16, 1304280), (18, 1159360), (20, 1043424), (24, 869520), (30, 695616), (32, 652140), (36, 579680), (40, 521712), (45, 463744), (48, 434760), (60, 347808), (64, 326070), (72, 289840), (80, 260856), (90, 231872), (96, 217380), (120, 173904), (128, 163035), (144, 144920), (160, 130428), (180, 115936), (192, 108690), (240, 86952), (288, 72460), (320, 65214), (360, 57968), (384, 54345), (480, 43476), (576, 36230), (640, 32607), (720, 28984), (960, 21738), (1152, 18115), (1440, 14492), (1920, 10869), (2880, 7246), (3623, 5760)]