15715820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2719}}^1$

素因数の和:2762

約数の個数: 36

約数和(自身を含む): 35071680

約数和(自身を除く): 19355860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2719, 2890, 5438, 5780, 10876, 13595, 27190, 46223, 54380, 92446, 184892, 231115, 462230, 785791, 924460, 1571582, 3143164, 3928955, 7857910, 15715820]

約数ペア:

[(1, 15715820), (2, 7857910), (4, 3928955), (5, 3143164), (10, 1571582), (17, 924460), (20, 785791), (34, 462230), (68, 231115), (85, 184892), (170, 92446), (289, 54380), (340, 46223), (578, 27190), (1156, 13595), (1445, 10876), (2719, 5780), (2890, 5438)]