77754180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 258552000

約数和(自身を除く): 180797820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 499, 530, 588, 636, 735, 742, 795, 980, 998, 1060, 1113, 1470, 1484, 1497, 1590, 1855, 1996, 2226, 2495, 2597, 2940, 2994, 3180, 3493, 3710, 4452, 4990, 5194, 5565, 5988, 6986, 7420, 7485, 7791, 9980, 10388, 10479, 11130, 12985, 13972, 14970, 15582, 17465, 20958, 22260, 24451, 25970, 26447, 29940, 31164, 34930, 38955, 41916, 48902, 51940, 52395, 52894, 69860, 73353, 77910, 79341, 97804, 104790, 105788, 122255, 132235, 146706, 155820, 158682, 185129, 209580, 244510, 264470, 293412, 317364, 366765, 370258, 396705, 489020, 528940, 555387, 733530, 740516, 793410, 925645, 1110774, 1295903, 1467060, 1586820, 1851290, 2221548, 2591806, 2776935, 3702580, 3887709, 5183612, 5553870, 6479515, 7775418, 11107740, 12959030, 15550836, 19438545, 25918060, 38877090, 77754180]

約数ペア:

[(1, 77754180), (2, 38877090), (3, 25918060), (4, 19438545), (5, 15550836), (6, 12959030), (7, 11107740), (10, 7775418), (12, 6479515), (14, 5553870), (15, 5183612), (20, 3887709), (21, 3702580), (28, 2776935), (30, 2591806), (35, 2221548), (42, 1851290), (49, 1586820), (53, 1467060), (60, 1295903), (70, 1110774), (84, 925645), (98, 793410), (105, 740516), (106, 733530), (140, 555387), (147, 528940), (159, 489020), (196, 396705), (210, 370258), (212, 366765), (245, 317364), (265, 293412), (294, 264470), (318, 244510), (371, 209580), (420, 185129), (490, 158682), (499, 155820), (530, 146706), (588, 132235), (636, 122255), (735, 105788), (742, 104790), (795, 97804), (980, 79341), (998, 77910), (1060, 73353), (1113, 69860), (1470, 52894), (1484, 52395), (1497, 51940), (1590, 48902), (1855, 41916), (1996, 38955), (2226, 34930), (2495, 31164), (2597, 29940), (2940, 26447), (2994, 25970), (3180, 24451), (3493, 22260), (3710, 20958), (4452, 17465), (4990, 15582), (5194, 14970), (5565, 13972), (5988, 12985), (6986, 11130), (7420, 10479), (7485, 10388), (7791, 9980)]