2601660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 7362432

約数和(自身を除く): 4760772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 331, 393, 524, 655, 662, 786, 993, 1310, 1324, 1572, 1655, 1965, 1986, 2620, 3310, 3930, 3972, 4965, 6620, 7860, 9930, 19860, 43361, 86722, 130083, 173444, 216805, 260166, 433610, 520332, 650415, 867220, 1300830, 2601660]

約数ペア:

[(1, 2601660), (2, 1300830), (3, 867220), (4, 650415), (5, 520332), (6, 433610), (10, 260166), (12, 216805), (15, 173444), (20, 130083), (30, 86722), (60, 43361), (131, 19860), (262, 9930), (331, 7860), (393, 6620), (524, 4965), (655, 3972), (662, 3930), (786, 3310), (993, 2620), (1310, 1986), (1324, 1965), (1572, 1655)]