278188776

素因数分解:

$2^3\times 3^3\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 798336000

約数和(自身を除く): 520147224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 83, 108, 118, 166, 177, 216, 236, 249, 263, 332, 354, 472, 498, 526, 531, 664, 708, 747, 789, 996, 1052, 1062, 1416, 1494, 1578, 1593, 1992, 2104, 2124, 2241, 2367, 2988, 3156, 3186, 4248, 4482, 4734, 4897, 5976, 6312, 6372, 7101, 8964, 9468, 9794, 12744, 14202, 14691, 15517, 17928, 18936, 19588, 21829, 28404, 29382, 31034, 39176, 43658, 44073, 46551, 56808, 58764, 62068, 65487, 87316, 88146, 93102, 117528, 124136, 130974, 132219, 139653, 174632, 176292, 186204, 196461, 261948, 264438, 279306, 352584, 372408, 392922, 418959, 523896, 528876, 558612, 589383, 785844, 837918, 1057752, 1117224, 1178766, 1287911, 1571688, 1675836, 2357532, 2575822, 3351672, 3863733, 4715064, 5151644, 7727466, 10303288, 11591199, 15454932, 23182398, 30909864, 34773597, 46364796, 69547194, 92729592, 139094388, 278188776]

約数ペア:

[(1, 278188776), (2, 139094388), (3, 92729592), (4, 69547194), (6, 46364796), (8, 34773597), (9, 30909864), (12, 23182398), (18, 15454932), (24, 11591199), (27, 10303288), (36, 7727466), (54, 5151644), (59, 4715064), (72, 3863733), (83, 3351672), (108, 2575822), (118, 2357532), (166, 1675836), (177, 1571688), (216, 1287911), (236, 1178766), (249, 1117224), (263, 1057752), (332, 837918), (354, 785844), (472, 589383), (498, 558612), (526, 528876), (531, 523896), (664, 418959), (708, 392922), (747, 372408), (789, 352584), (996, 279306), (1052, 264438), (1062, 261948), (1416, 196461), (1494, 186204), (1578, 176292), (1593, 174632), (1992, 139653), (2104, 132219), (2124, 130974), (2241, 124136), (2367, 117528), (2988, 93102), (3156, 88146), (3186, 87316), (4248, 65487), (4482, 62068), (4734, 58764), (4897, 56808), (5976, 46551), (6312, 44073), (6372, 43658), (7101, 39176), (8964, 31034), (9468, 29382), (9794, 28404), (12744, 21829), (14202, 19588), (14691, 18936), (15517, 17928)]