72132980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 157199616

約数和(自身を除く): 85066636

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 185, 214, 370, 428, 535, 740, 911, 1070, 1822, 2140, 3644, 3959, 4555, 7918, 9110, 15836, 18220, 19795, 33707, 39590, 67414, 79180, 97477, 134828, 168535, 194954, 337070, 389908, 487385, 674140, 974770, 1949540, 3606649, 7213298, 14426596, 18033245, 36066490, 72132980]

約数ペア:

[(1, 72132980), (2, 36066490), (4, 18033245), (5, 14426596), (10, 7213298), (20, 3606649), (37, 1949540), (74, 974770), (107, 674140), (148, 487385), (185, 389908), (214, 337070), (370, 194954), (428, 168535), (535, 134828), (740, 97477), (911, 79180), (1070, 67414), (1822, 39590), (2140, 33707), (3644, 19795), (3959, 18220), (4555, 15836), (7918, 9110)]