81788790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{26993}}^1$

素因数の和:27104

約数の個数: 32

約数和(自身を含む): 198243936

約数和(自身を除く): 116455146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 26993, 53986, 80979, 134965, 161958, 269930, 404895, 809790, 2726293, 5452586, 8178879, 13631465, 16357758, 27262930, 40894395, 81788790]

約数ペア:

[(1, 81788790), (2, 40894395), (3, 27262930), (5, 16357758), (6, 13631465), (10, 8178879), (15, 5452586), (30, 2726293), (101, 809790), (202, 404895), (303, 269930), (505, 161958), (606, 134965), (1010, 80979), (1515, 53986), (3030, 26993)]