3281660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 7311360

約数和(自身を除く): 4029700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 79, 124, 134, 155, 158, 268, 310, 316, 335, 395, 620, 670, 790, 1340, 1580, 2077, 2449, 4154, 4898, 5293, 8308, 9796, 10385, 10586, 12245, 20770, 21172, 24490, 26465, 41540, 48980, 52930, 105860, 164083, 328166, 656332, 820415, 1640830, 3281660]

約数ペア:

[(1, 3281660), (2, 1640830), (4, 820415), (5, 656332), (10, 328166), (20, 164083), (31, 105860), (62, 52930), (67, 48980), (79, 41540), (124, 26465), (134, 24490), (155, 21172), (158, 20770), (268, 12245), (310, 10586), (316, 10385), (335, 9796), (395, 8308), (620, 5293), (670, 4898), (790, 4154), (1340, 2449), (1580, 2077)]