178870068

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1669}}^1$

素因数の和:1921

約数の個数: 72

約数和(自身を含む): 489343400

約数和(自身を除く): 310473332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 229, 234, 458, 468, 687, 916, 1374, 1669, 2061, 2748, 2977, 3338, 4122, 5007, 5954, 6676, 8244, 8931, 10014, 11908, 15021, 17862, 20028, 21697, 26793, 30042, 35724, 43394, 53586, 60084, 65091, 86788, 107172, 130182, 195273, 260364, 382201, 390546, 764402, 781092, 1146603, 1528804, 2293206, 3439809, 4586412, 4968613, 6879618, 9937226, 13759236, 14905839, 19874452, 29811678, 44717517, 59623356, 89435034, 178870068]

約数ペア:

[(1, 178870068), (2, 89435034), (3, 59623356), (4, 44717517), (6, 29811678), (9, 19874452), (12, 14905839), (13, 13759236), (18, 9937226), (26, 6879618), (36, 4968613), (39, 4586412), (52, 3439809), (78, 2293206), (117, 1528804), (156, 1146603), (229, 781092), (234, 764402), (458, 390546), (468, 382201), (687, 260364), (916, 195273), (1374, 130182), (1669, 107172), (2061, 86788), (2748, 65091), (2977, 60084), (3338, 53586), (4122, 43394), (5007, 35724), (5954, 30042), (6676, 26793), (8244, 21697), (8931, 20028), (10014, 17862), (11908, 15021)]