30578220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8941}}^1$

素因数の和:8975

約数の個数: 72

約数和(自身を含む): 97646640

約数和(自身を除く): 67068420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 8941, 17882, 26823, 35764, 44705, 53646, 80469, 89410, 107292, 134115, 160938, 169879, 178820, 268230, 321876, 339758, 402345, 509637, 536460, 679516, 804690, 849395, 1019274, 1528911, 1609380, 1698790, 2038548, 2548185, 3057822, 3397580, 5096370, 6115644, 7644555, 10192740, 15289110, 30578220]

約数ペア:

[(1, 30578220), (2, 15289110), (3, 10192740), (4, 7644555), (5, 6115644), (6, 5096370), (9, 3397580), (10, 3057822), (12, 2548185), (15, 2038548), (18, 1698790), (19, 1609380), (20, 1528911), (30, 1019274), (36, 849395), (38, 804690), (45, 679516), (57, 536460), (60, 509637), (76, 402345), (90, 339758), (95, 321876), (114, 268230), (171, 178820), (180, 169879), (190, 160938), (228, 134115), (285, 107292), (342, 89410), (380, 80469), (570, 53646), (684, 44705), (855, 35764), (1140, 26823), (1710, 17882), (3420, 8941)]