15027220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 35174160

約数和(自身を除く): 20146940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 1993, 3770, 3986, 7540, 7972, 9965, 19930, 25909, 39860, 51818, 57797, 103636, 115594, 129545, 231188, 259090, 288985, 518180, 577970, 751361, 1155940, 1502722, 3005444, 3756805, 7513610, 15027220]

約数ペア:

[(1, 15027220), (2, 7513610), (4, 3756805), (5, 3005444), (10, 1502722), (13, 1155940), (20, 751361), (26, 577970), (29, 518180), (52, 288985), (58, 259090), (65, 231188), (116, 129545), (130, 115594), (145, 103636), (260, 57797), (290, 51818), (377, 39860), (580, 25909), (754, 19930), (1508, 9965), (1885, 7972), (1993, 7540), (3770, 3986)]