28558620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5471}}^1$

素因数の和:5515

約数の個数: 72

約数和(自身を含む): 89631360

約数和(自身を除く): 61072740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 5471, 10942, 16413, 21884, 27355, 32826, 49239, 54710, 65652, 82065, 98478, 109420, 158659, 164130, 196956, 246195, 317318, 328260, 475977, 492390, 634636, 793295, 951954, 984780, 1427931, 1586590, 1903908, 2379885, 2855862, 3173180, 4759770, 5711724, 7139655, 9519540, 14279310, 28558620]

約数ペア:

[(1, 28558620), (2, 14279310), (3, 9519540), (4, 7139655), (5, 5711724), (6, 4759770), (9, 3173180), (10, 2855862), (12, 2379885), (15, 1903908), (18, 1586590), (20, 1427931), (29, 984780), (30, 951954), (36, 793295), (45, 634636), (58, 492390), (60, 475977), (87, 328260), (90, 317318), (116, 246195), (145, 196956), (174, 164130), (180, 158659), (261, 109420), (290, 98478), (348, 82065), (435, 65652), (522, 54710), (580, 49239), (870, 32826), (1044, 27355), (1305, 21884), (1740, 16413), (2610, 10942), (5220, 5471)]