8073520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 23123520

約数和(自身を除く): 15050000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1109, 1456, 1820, 2218, 3640, 4436, 5545, 7280, 7763, 8872, 11090, 14417, 15526, 17744, 22180, 28834, 31052, 38815, 44360, 57668, 62104, 72085, 77630, 88720, 100919, 115336, 124208, 144170, 155260, 201838, 230672, 288340, 310520, 403676, 504595, 576680, 621040, 807352, 1009190, 1153360, 1614704, 2018380, 4036760, 8073520]

約数ペア:

[(1, 8073520), (2, 4036760), (4, 2018380), (5, 1614704), (7, 1153360), (8, 1009190), (10, 807352), (13, 621040), (14, 576680), (16, 504595), (20, 403676), (26, 310520), (28, 288340), (35, 230672), (40, 201838), (52, 155260), (56, 144170), (65, 124208), (70, 115336), (80, 100919), (91, 88720), (104, 77630), (112, 72085), (130, 62104), (140, 57668), (182, 44360), (208, 38815), (260, 31052), (280, 28834), (364, 22180), (455, 17744), (520, 15526), (560, 14417), (728, 11090), (910, 8872), (1040, 7763), (1109, 7280), (1456, 5545), (1820, 4436), (2218, 3640)]