128878596

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1$

素因数の和:2494

約数の個数: 144

約数和(自身を含む): 427714560

約数和(自身を除く): 298835964

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 396, 399, 418, 462, 532, 627, 684, 693, 798, 836, 924, 1197, 1254, 1386, 1463, 1596, 1881, 2394, 2447, 2508, 2772, 2926, 3762, 4389, 4788, 4894, 5852, 7341, 7524, 8778, 9788, 13167, 14682, 17129, 17556, 22023, 26334, 26917, 29364, 34258, 44046, 46493, 51387, 52668, 53834, 68516, 80751, 88092, 92986, 102774, 107668, 139479, 154161, 161502, 185972, 188419, 205548, 242253, 278958, 308322, 323004, 325451, 376838, 418437, 484506, 511423, 557916, 565257, 616644, 650902, 753676, 836874, 969012, 976353, 1022846, 1130514, 1301804, 1534269, 1673748, 1695771, 1952706, 2045692, 2261028, 2929059, 3068538, 3391542, 3579961, 3905412, 4602807, 5858118, 6137076, 6783084, 7159922, 9205614, 10739883, 11716236, 14319844, 18411228, 21479766, 32219649, 42959532, 64439298, 128878596]

約数ペア:

[(1, 128878596), (2, 64439298), (3, 42959532), (4, 32219649), (6, 21479766), (7, 18411228), (9, 14319844), (11, 11716236), (12, 10739883), (14, 9205614), (18, 7159922), (19, 6783084), (21, 6137076), (22, 5858118), (28, 4602807), (33, 3905412), (36, 3579961), (38, 3391542), (42, 3068538), (44, 2929059), (57, 2261028), (63, 2045692), (66, 1952706), (76, 1695771), (77, 1673748), (84, 1534269), (99, 1301804), (114, 1130514), (126, 1022846), (132, 976353), (133, 969012), (154, 836874), (171, 753676), (198, 650902), (209, 616644), (228, 565257), (231, 557916), (252, 511423), (266, 484506), (308, 418437), (342, 376838), (396, 325451), (399, 323004), (418, 308322), (462, 278958), (532, 242253), (627, 205548), (684, 188419), (693, 185972), (798, 161502), (836, 154161), (924, 139479), (1197, 107668), (1254, 102774), (1386, 92986), (1463, 88092), (1596, 80751), (1881, 68516), (2394, 53834), (2447, 52668), (2508, 51387), (2772, 46493), (2926, 44046), (3762, 34258), (4389, 29364), (4788, 26917), (4894, 26334), (5852, 22023), (7341, 17556), (7524, 17129), (8778, 14682), (9788, 13167)]