15980170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 32783616

約数和(自身を除く): 16803446

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 61, 67, 85, 115, 122, 134, 170, 230, 305, 335, 391, 610, 670, 782, 1037, 1139, 1403, 1541, 1955, 2074, 2278, 2806, 3082, 3910, 4087, 5185, 5695, 7015, 7705, 8174, 10370, 11390, 14030, 15410, 20435, 23851, 26197, 40870, 47702, 52394, 69479, 94001, 119255, 130985, 138958, 188002, 238510, 261970, 347395, 470005, 694790, 940010, 1598017, 3196034, 7990085, 15980170]

約数ペア:

[(1, 15980170), (2, 7990085), (5, 3196034), (10, 1598017), (17, 940010), (23, 694790), (34, 470005), (46, 347395), (61, 261970), (67, 238510), (85, 188002), (115, 138958), (122, 130985), (134, 119255), (170, 94001), (230, 69479), (305, 52394), (335, 47702), (391, 40870), (610, 26197), (670, 23851), (782, 20435), (1037, 15410), (1139, 14030), (1403, 11390), (1541, 10370), (1955, 8174), (2074, 7705), (2278, 7015), (2806, 5695), (3082, 5185), (3910, 4087)]