65173780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15017}}^1$

素因数の和:15064

約数の個数: 48

約数和(自身を含む): 161473536

約数和(自身を除く): 96299756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 15017, 30034, 60068, 75085, 105119, 150170, 210238, 300340, 420476, 465527, 525595, 931054, 1051190, 1862108, 2102380, 2327635, 3258689, 4655270, 6517378, 9310540, 13034756, 16293445, 32586890, 65173780]

約数ペア:

[(1, 65173780), (2, 32586890), (4, 16293445), (5, 13034756), (7, 9310540), (10, 6517378), (14, 4655270), (20, 3258689), (28, 2327635), (31, 2102380), (35, 1862108), (62, 1051190), (70, 931054), (124, 525595), (140, 465527), (155, 420476), (217, 300340), (310, 210238), (434, 150170), (620, 105119), (868, 75085), (1085, 60068), (2170, 30034), (4340, 15017)]