65519700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 208111680

約数和(自身を除く): 142591980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 29, 30, 34, 50, 51, 58, 60, 68, 75, 85, 87, 100, 102, 116, 145, 150, 170, 174, 204, 255, 290, 300, 340, 348, 425, 435, 443, 493, 510, 580, 725, 850, 870, 886, 986, 1020, 1275, 1329, 1450, 1479, 1700, 1740, 1772, 1972, 2175, 2215, 2465, 2550, 2658, 2900, 2958, 4350, 4430, 4930, 5100, 5316, 5916, 6645, 7395, 7531, 8700, 8860, 9860, 11075, 12325, 12847, 13290, 14790, 15062, 22150, 22593, 24650, 25694, 26580, 29580, 30124, 33225, 36975, 37655, 38541, 44300, 45186, 49300, 51388, 64235, 66450, 73950, 75310, 77082, 90372, 112965, 128470, 132900, 147900, 150620, 154164, 188275, 192705, 218399, 225930, 256940, 321175, 376550, 385410, 436798, 451860, 564825, 642350, 655197, 753100, 770820, 873596, 963525, 1091995, 1129650, 1284700, 1310394, 1927050, 2183990, 2259300, 2620788, 3275985, 3854100, 4367980, 5459975, 6551970, 10919950, 13103940, 16379925, 21839900, 32759850, 65519700]

約数ペア:

[(1, 65519700), (2, 32759850), (3, 21839900), (4, 16379925), (5, 13103940), (6, 10919950), (10, 6551970), (12, 5459975), (15, 4367980), (17, 3854100), (20, 3275985), (25, 2620788), (29, 2259300), (30, 2183990), (34, 1927050), (50, 1310394), (51, 1284700), (58, 1129650), (60, 1091995), (68, 963525), (75, 873596), (85, 770820), (87, 753100), (100, 655197), (102, 642350), (116, 564825), (145, 451860), (150, 436798), (170, 385410), (174, 376550), (204, 321175), (255, 256940), (290, 225930), (300, 218399), (340, 192705), (348, 188275), (425, 154164), (435, 150620), (443, 147900), (493, 132900), (510, 128470), (580, 112965), (725, 90372), (850, 77082), (870, 75310), (886, 73950), (986, 66450), (1020, 64235), (1275, 51388), (1329, 49300), (1450, 45186), (1479, 44300), (1700, 38541), (1740, 37655), (1772, 36975), (1972, 33225), (2175, 30124), (2215, 29580), (2465, 26580), (2550, 25694), (2658, 24650), (2900, 22593), (2958, 22150), (4350, 15062), (4430, 14790), (4930, 13290), (5100, 12847), (5316, 12325), (5916, 11075), (6645, 9860), (7395, 8860), (7531, 8700)]