15671257780

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{991}}^1\times {\mathrm{1039}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 33017886720

約数和(自身を除く): 17346628940

約数列:

[1, 2, 4, 5, 10, 20, 761, 991, 1039, 1522, 1982, 2078, 3044, 3805, 3964, 4156, 4955, 5195, 7610, 9910, 10390, 15220, 19820, 20780, 754151, 790679, 1029649, 1508302, 1581358, 2059298, 3016604, 3162716, 3770755, 3953395, 4118596, 5148245, 7541510, 7906790, 10296490, 15083020, 15813580, 20592980, 783562889, 1567125778, 3134251556, 3917814445, 7835628890, 15671257780]

約数ペア:

[(1, 15671257780), (2, 7835628890), (4, 3917814445), (5, 3134251556), (10, 1567125778), (20, 783562889), (761, 20592980), (991, 15813580), (1039, 15083020), (1522, 10296490), (1982, 7906790), (2078, 7541510), (3044, 5148245), (3805, 4118596), (3964, 3953395), (4156, 3770755), (4955, 3162716), (5195, 3016604), (7610, 2059298), (9910, 1581358), (10390, 1508302), (15220, 1029649), (19820, 790679), (20780, 754151)]