1256420340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16901}}^1$

素因数の和:16982

約数の個数: 144

約数和(自身を含む): 4429676160

約数和(自身を除く): 3173255820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 826, 885, 1062, 1180, 1239, 1260, 1652, 1770, 2065, 2124, 2478, 2655, 3540, 3717, 4130, 4956, 5310, 6195, 7434, 8260, 10620, 12390, 14868, 16901, 18585, 24780, 33802, 37170, 50703, 67604, 74340, 84505, 101406, 118307, 152109, 169010, 202812, 236614, 253515, 304218, 338020, 354921, 473228, 507030, 591535, 608436, 709842, 760545, 997159, 1014060, 1064763, 1183070, 1419684, 1521090, 1774605, 1994318, 2129526, 2366140, 2991477, 3042180, 3549210, 3988636, 4259052, 4985795, 5323815, 5982954, 6980113, 7098420, 8974431, 9971590, 10647630, 11965908, 13960226, 14957385, 17948862, 19943180, 20940339, 21295260, 27920452, 29914770, 34900565, 35897724, 41880678, 44872155, 59829540, 62821017, 69801130, 83761356, 89744310, 104701695, 125642034, 139602260, 179488620, 209403390, 251284068, 314105085, 418806780, 628210170, 1256420340]

約数ペア:

[(1, 1256420340), (2, 628210170), (3, 418806780), (4, 314105085), (5, 251284068), (6, 209403390), (7, 179488620), (9, 139602260), (10, 125642034), (12, 104701695), (14, 89744310), (15, 83761356), (18, 69801130), (20, 62821017), (21, 59829540), (28, 44872155), (30, 41880678), (35, 35897724), (36, 34900565), (42, 29914770), (45, 27920452), (59, 21295260), (60, 20940339), (63, 19943180), (70, 17948862), (84, 14957385), (90, 13960226), (105, 11965908), (118, 10647630), (126, 9971590), (140, 8974431), (177, 7098420), (180, 6980113), (210, 5982954), (236, 5323815), (252, 4985795), (295, 4259052), (315, 3988636), (354, 3549210), (413, 3042180), (420, 2991477), (531, 2366140), (590, 2129526), (630, 1994318), (708, 1774605), (826, 1521090), (885, 1419684), (1062, 1183070), (1180, 1064763), (1239, 1014060), (1260, 997159), (1652, 760545), (1770, 709842), (2065, 608436), (2124, 591535), (2478, 507030), (2655, 473228), (3540, 354921), (3717, 338020), (4130, 304218), (4956, 253515), (5310, 236614), (6195, 202812), (7434, 169010), (8260, 152109), (10620, 118307), (12390, 101406), (14868, 84505), (16901, 74340), (18585, 67604), (24780, 50703), (33802, 37170)]