205653420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9601}}^1$

素因数の和:9640

約数の個数: 144

約数和(自身を含む): 754947648

約数和(自身を除く): 549294228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 9601, 10710, 19202, 21420, 28803, 38404, 48005, 57606, 67207, 86409, 96010, 115212, 134414, 144015, 163217, 172818, 192020, 201621, 268828, 288030, 326434, 336035, 345636, 403242, 432045, 489651, 576060, 604863, 652868, 672070, 806484, 816085, 864090, 979302, 1008105, 1142519, 1209726, 1344140, 1468953, 1632170, 1728180, 1958604, 2016210, 2285038, 2419452, 2448255, 2937906, 3024315, 3264340, 3427557, 4032420, 4570076, 4896510, 5712595, 5875812, 6048630, 6855114, 7344765, 9793020, 10282671, 11425190, 12097260, 13710228, 14689530, 17137785, 20565342, 22850380, 29379060, 34275570, 41130684, 51413355, 68551140, 102826710, 205653420]

約数ペア:

[(1, 205653420), (2, 102826710), (3, 68551140), (4, 51413355), (5, 41130684), (6, 34275570), (7, 29379060), (9, 22850380), (10, 20565342), (12, 17137785), (14, 14689530), (15, 13710228), (17, 12097260), (18, 11425190), (20, 10282671), (21, 9793020), (28, 7344765), (30, 6855114), (34, 6048630), (35, 5875812), (36, 5712595), (42, 4896510), (45, 4570076), (51, 4032420), (60, 3427557), (63, 3264340), (68, 3024315), (70, 2937906), (84, 2448255), (85, 2419452), (90, 2285038), (102, 2016210), (105, 1958604), (119, 1728180), (126, 1632170), (140, 1468953), (153, 1344140), (170, 1209726), (180, 1142519), (204, 1008105), (210, 979302), (238, 864090), (252, 816085), (255, 806484), (306, 672070), (315, 652868), (340, 604863), (357, 576060), (420, 489651), (476, 432045), (510, 403242), (595, 345636), (612, 336035), (630, 326434), (714, 288030), (765, 268828), (1020, 201621), (1071, 192020), (1190, 172818), (1260, 163217), (1428, 144015), (1530, 134414), (1785, 115212), (2142, 96010), (2380, 86409), (3060, 67207), (3570, 57606), (4284, 48005), (5355, 38404), (7140, 28803), (9601, 21420), (10710, 19202)]