20183373780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{90403}}^1$

素因数の和:90537

約数の個数: 72

約数和(自身を含む): 57455719776

約数和(自身を除く): 37272345996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 3721, 7442, 11163, 14884, 18605, 22326, 37210, 44652, 55815, 74420, 90403, 111630, 180806, 223260, 271209, 361612, 452015, 542418, 904030, 1084836, 1356045, 1808060, 2712090, 5424180, 5514583, 11029166, 16543749, 22058332, 27572915, 33087498, 55145830, 66174996, 82718745, 110291660, 165437490, 330874980, 336389563, 672779126, 1009168689, 1345558252, 1681947815, 2018337378, 3363895630, 4036674756, 5045843445, 6727791260, 10091686890, 20183373780]

約数ペア:

[(1, 20183373780), (2, 10091686890), (3, 6727791260), (4, 5045843445), (5, 4036674756), (6, 3363895630), (10, 2018337378), (12, 1681947815), (15, 1345558252), (20, 1009168689), (30, 672779126), (60, 336389563), (61, 330874980), (122, 165437490), (183, 110291660), (244, 82718745), (305, 66174996), (366, 55145830), (610, 33087498), (732, 27572915), (915, 22058332), (1220, 16543749), (1830, 11029166), (3660, 5514583), (3721, 5424180), (7442, 2712090), (11163, 1808060), (14884, 1356045), (18605, 1084836), (22326, 904030), (37210, 542418), (44652, 452015), (55815, 361612), (74420, 271209), (90403, 223260), (111630, 180806)]