1293228640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1101

約数の個数: 144

約数和(自身を含む): 3411794736

約数和(自身を除く): 2118566096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 110, 121, 134, 160, 176, 220, 242, 268, 335, 352, 440, 484, 536, 605, 670, 737, 880, 968, 997, 1072, 1210, 1340, 1474, 1760, 1936, 1994, 2144, 2420, 2680, 2948, 3685, 3872, 3988, 4840, 4985, 5360, 5896, 7370, 7976, 8107, 9680, 9970, 10720, 10967, 11792, 14740, 15952, 16214, 19360, 19940, 21934, 23584, 29480, 31904, 32428, 39880, 40535, 43868, 54835, 58960, 64856, 66799, 79760, 81070, 87736, 109670, 117920, 120637, 129712, 133598, 159520, 162140, 175472, 219340, 241274, 259424, 267196, 324280, 333995, 350944, 438680, 482548, 534392, 603185, 648560, 667990, 734789, 877360, 965096, 1068784, 1206370, 1297120, 1335980, 1469578, 1754720, 1930192, 2137568, 2412740, 2671960, 2939156, 3673945, 3860384, 4825480, 5343920, 5878312, 7347890, 8082679, 9650960, 10687840, 11756624, 14695780, 16165358, 19301920, 23513248, 29391560, 32330716, 40413395, 58783120, 64661432, 80826790, 117566240, 129322864, 161653580, 258645728, 323307160, 646614320, 1293228640]

約数ペア:

[(1, 1293228640), (2, 646614320), (4, 323307160), (5, 258645728), (8, 161653580), (10, 129322864), (11, 117566240), (16, 80826790), (20, 64661432), (22, 58783120), (32, 40413395), (40, 32330716), (44, 29391560), (55, 23513248), (67, 19301920), (80, 16165358), (88, 14695780), (110, 11756624), (121, 10687840), (134, 9650960), (160, 8082679), (176, 7347890), (220, 5878312), (242, 5343920), (268, 4825480), (335, 3860384), (352, 3673945), (440, 2939156), (484, 2671960), (536, 2412740), (605, 2137568), (670, 1930192), (737, 1754720), (880, 1469578), (968, 1335980), (997, 1297120), (1072, 1206370), (1210, 1068784), (1340, 965096), (1474, 877360), (1760, 734789), (1936, 667990), (1994, 648560), (2144, 603185), (2420, 534392), (2680, 482548), (2948, 438680), (3685, 350944), (3872, 333995), (3988, 324280), (4840, 267196), (4985, 259424), (5360, 241274), (5896, 219340), (7370, 175472), (7976, 162140), (8107, 159520), (9680, 133598), (9970, 129712), (10720, 120637), (10967, 117920), (11792, 109670), (14740, 87736), (15952, 81070), (16214, 79760), (19360, 66799), (19940, 64856), (21934, 58960), (23584, 54835), (29480, 43868), (31904, 40535), (32428, 39880)]