71845740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 235636128

約数和(自身を除く): 163790388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 53, 60, 68, 85, 90, 102, 106, 153, 159, 170, 180, 204, 212, 255, 265, 306, 318, 340, 443, 477, 510, 530, 612, 636, 765, 795, 886, 901, 954, 1020, 1060, 1329, 1530, 1590, 1772, 1802, 1908, 2215, 2385, 2658, 2703, 3060, 3180, 3604, 3987, 4430, 4505, 4770, 5316, 5406, 6645, 7531, 7974, 8109, 8860, 9010, 9540, 10812, 13290, 13515, 15062, 15948, 16218, 18020, 19935, 22593, 23479, 26580, 27030, 30124, 32436, 37655, 39870, 40545, 45186, 46958, 54060, 67779, 70437, 75310, 79740, 81090, 90372, 93916, 112965, 117395, 135558, 140874, 150620, 162180, 211311, 225930, 234790, 271116, 281748, 338895, 352185, 399143, 422622, 451860, 469580, 677790, 704370, 798286, 845244, 1056555, 1197429, 1355580, 1408740, 1596572, 1995715, 2113110, 2394858, 3592287, 3991430, 4226220, 4789716, 5987145, 7184574, 7982860, 11974290, 14369148, 17961435, 23948580, 35922870, 71845740]

約数ペア:

[(1, 71845740), (2, 35922870), (3, 23948580), (4, 17961435), (5, 14369148), (6, 11974290), (9, 7982860), (10, 7184574), (12, 5987145), (15, 4789716), (17, 4226220), (18, 3991430), (20, 3592287), (30, 2394858), (34, 2113110), (36, 1995715), (45, 1596572), (51, 1408740), (53, 1355580), (60, 1197429), (68, 1056555), (85, 845244), (90, 798286), (102, 704370), (106, 677790), (153, 469580), (159, 451860), (170, 422622), (180, 399143), (204, 352185), (212, 338895), (255, 281748), (265, 271116), (306, 234790), (318, 225930), (340, 211311), (443, 162180), (477, 150620), (510, 140874), (530, 135558), (612, 117395), (636, 112965), (765, 93916), (795, 90372), (886, 81090), (901, 79740), (954, 75310), (1020, 70437), (1060, 67779), (1329, 54060), (1530, 46958), (1590, 45186), (1772, 40545), (1802, 39870), (1908, 37655), (2215, 32436), (2385, 30124), (2658, 27030), (2703, 26580), (3060, 23479), (3180, 22593), (3604, 19935), (3987, 18020), (4430, 16218), (4505, 15948), (4770, 15062), (5316, 13515), (5406, 13290), (6645, 10812), (7531, 9540), (7974, 9010), (8109, 8860)]