21156480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3673}}^1$

素因数の和:3698

約数の個数: 96

約数和(自身を含む): 73075860

約数和(自身を除く): 51919380

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, 3673, 5760, 7346, 11019, 14692, 18365, 22038, 29384, 33057, 36730, 44076, 55095, 58768, 66114, 73460, 88152, 110190, 117536, 132228, 146920, 165285, 176304, 220380, 235072, 264456, 293840, 330570, 352608, 440760, 470144, 528912, 587680, 661140, 705216, 881520, 1057824, 1175360, 1322280, 1410432, 1763040, 2115648, 2350720, 2644560, 3526080, 4231296, 5289120, 7052160, 10578240, 21156480]

約数ペア:

[(1, 21156480), (2, 10578240), (3, 7052160), (4, 5289120), (5, 4231296), (6, 3526080), (8, 2644560), (9, 2350720), (10, 2115648), (12, 1763040), (15, 1410432), (16, 1322280), (18, 1175360), (20, 1057824), (24, 881520), (30, 705216), (32, 661140), (36, 587680), (40, 528912), (45, 470144), (48, 440760), (60, 352608), (64, 330570), (72, 293840), (80, 264456), (90, 235072), (96, 220380), (120, 176304), (128, 165285), (144, 146920), (160, 132228), (180, 117536), (192, 110190), (240, 88152), (288, 73460), (320, 66114), (360, 58768), (384, 55095), (480, 44076), (576, 36730), (640, 33057), (720, 29384), (960, 22038), (1152, 18365), (1440, 14692), (1920, 11019), (2880, 7346), (3673, 5760)]