78717665.000000000

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 315833580

約数和(自身を除く): 194939780

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 37, 40, 50, 62, 68, 74, 85, 100, 124, 136, 148, 155, 170, 185, 200, 248, 296, 310, 340, 370, 425, 527, 620, 629, 680, 740, 775, 850, 925, 961, 1054, 1147, 1240, 1258, 1480, 1550, 1700, 1850, 1922, 2108, 2294, 2516, 2635, 3100, 3145, 3400, 3700, 3844, 4216, 4588, 4805, 5032, 5270, 5735, 6200, 6290, 7400, 7688, 9176, 9610, 10540, 11470, 12580, 13175, 15725, 16337, 19220, 19499, 21080, 22940, 24025, 25160, 26350, 28675, 31450, 32674, 35557, 38440, 38998, 45880, 48050, 52700, 57350, 62900, 65348, 71114, 77996, 81685, 96100, 97495, 105400, 114700, 125800, 130696, 142228, 155992, 163370, 177785, 192200, 194990, 229400, 284456, 326740, 355570, 389980, 408425, 487475, 604469, 653480, 711140, 779960, 816850, 888925, 974950, 1208938, 1422280, 1633700, 1777850, 1949900, 2417876, 3022345, 3267400, 3555700, 3899800, 4835752, 6044690, 7111400, 12089380, 15111725, 24178760, 30223450, 60446900, 120893800]

約数ペア:

[(1, 120893800), (2, 60446900), (4, 30223450), (5, 24178760), (8, 15111725), (10, 12089380), (17, 7111400), (20, 6044690), (25, 4835752), (31, 3899800), (34, 3555700), (37, 3267400), (40, 3022345), (50, 2417876), (62, 1949900), (68, 1777850), (74, 1633700), (85, 1422280), (100, 1208938), (124, 974950), (136, 888925), (148, 816850), (155, 779960), (170, 711140), (185, 653480), (200, 604469), (248, 487475), (296, 408425), (310, 389980), (340, 355570), (370, 326740), (425, 284456), (527, 229400), (620, 194990), (629, 192200), (680, 177785), (740, 163370), (775, 155992), (850, 142228), (925, 130696), (961, 125800), (1054, 114700), (1147, 105400), (1240, 97495), (1258, 96100), (1480, 81685), (1550, 77996), (1700, 71114), (1850, 65348), (1922, 62900), (2108, 57350), (2294, 52700), (2516, 48050), (2635, 45880), (3100, 38998), (3145, 38440), (3400, 35557), (3700, 32674), (3844, 31450), (4216, 28675), (4588, 26350), (4805, 25160), (5032, 24025), (5270, 22940), (5735, 21080), (6200, 19499), (6290, 19220), (7400, 16337), (7688, 15725), (9176, 13175), (9610, 12580), (10540, 11470)]