721987128

素因数分解:

$2^3\times 3^3\times {\mathrm{139}}^2\times {\mathrm{173}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 2031728400

約数和(自身を除く): 1309741272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 139, 173, 216, 278, 346, 417, 519, 556, 692, 834, 1038, 1112, 1251, 1384, 1557, 1668, 2076, 2502, 3114, 3336, 3753, 4152, 4671, 5004, 6228, 7506, 9342, 10008, 12456, 15012, 18684, 19321, 24047, 30024, 37368, 38642, 48094, 57963, 72141, 77284, 96188, 115926, 144282, 154568, 173889, 192376, 216423, 231852, 288564, 347778, 432846, 463704, 521667, 577128, 649269, 695556, 865692, 1043334, 1298538, 1391112, 1731384, 2086668, 2597076, 3342533, 4173336, 5194152, 6685066, 10027599, 13370132, 20055198, 26740264, 30082797, 40110396, 60165594, 80220792, 90248391, 120331188, 180496782, 240662376, 360993564, 721987128]

約数ペア:

[(1, 721987128), (2, 360993564), (3, 240662376), (4, 180496782), (6, 120331188), (8, 90248391), (9, 80220792), (12, 60165594), (18, 40110396), (24, 30082797), (27, 26740264), (36, 20055198), (54, 13370132), (72, 10027599), (108, 6685066), (139, 5194152), (173, 4173336), (216, 3342533), (278, 2597076), (346, 2086668), (417, 1731384), (519, 1391112), (556, 1298538), (692, 1043334), (834, 865692), (1038, 695556), (1112, 649269), (1251, 577128), (1384, 521667), (1557, 463704), (1668, 432846), (2076, 347778), (2502, 288564), (3114, 231852), (3336, 216423), (3753, 192376), (4152, 173889), (4671, 154568), (5004, 144282), (6228, 115926), (7506, 96188), (9342, 77284), (10008, 72141), (12456, 57963), (15012, 48094), (18684, 38642), (19321, 37368), (24047, 30024)]