720897444

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{2659}}^1$

素因数の和:3129

約数の個数: 72

約数和(自身を含む): 1934543520

約数和(自身を除く): 1213646076

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 443, 612, 886, 1329, 1772, 2658, 2659, 3987, 5316, 5318, 7531, 7974, 7977, 10636, 15062, 15948, 15954, 22593, 23931, 30124, 31908, 45186, 45203, 47862, 67779, 90372, 90406, 95724, 135558, 135609, 180812, 271116, 271218, 406827, 542436, 813654, 1177937, 1627308, 2355874, 3533811, 4711748, 7067622, 10601433, 14135244, 20024929, 21202866, 40049858, 42405732, 60074787, 80099716, 120149574, 180224361, 240299148, 360448722, 720897444]

約数ペア:

[(1, 720897444), (2, 360448722), (3, 240299148), (4, 180224361), (6, 120149574), (9, 80099716), (12, 60074787), (17, 42405732), (18, 40049858), (34, 21202866), (36, 20024929), (51, 14135244), (68, 10601433), (102, 7067622), (153, 4711748), (204, 3533811), (306, 2355874), (443, 1627308), (612, 1177937), (886, 813654), (1329, 542436), (1772, 406827), (2658, 271218), (2659, 271116), (3987, 180812), (5316, 135609), (5318, 135558), (7531, 95724), (7974, 90406), (7977, 90372), (10636, 67779), (15062, 47862), (15948, 45203), (15954, 45186), (22593, 31908), (23931, 30124)]