68691720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{19739}}^1$

素因数の和:19782

約数の個数: 64

約数和(自身を含む): 213192000

約数和(自身を除く): 144500280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 19739, 39478, 59217, 78956, 98695, 118434, 157912, 197390, 236868, 296085, 394780, 473736, 572431, 592170, 789560, 1144862, 1184340, 1717293, 2289724, 2368680, 2862155, 3434586, 4579448, 5724310, 6869172, 8586465, 11448620, 13738344, 17172930, 22897240, 34345860, 68691720]

約数ペア:

[(1, 68691720), (2, 34345860), (3, 22897240), (4, 17172930), (5, 13738344), (6, 11448620), (8, 8586465), (10, 6869172), (12, 5724310), (15, 4579448), (20, 3434586), (24, 2862155), (29, 2368680), (30, 2289724), (40, 1717293), (58, 1184340), (60, 1144862), (87, 789560), (116, 592170), (120, 572431), (145, 473736), (174, 394780), (232, 296085), (290, 236868), (348, 197390), (435, 157912), (580, 118434), (696, 98695), (870, 78956), (1160, 59217), (1740, 39478), (3480, 19739)]