856288240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{4219}}^1$

素因数の和:4334

約数の個数: 80

約数和(自身を含む): 2072188800

約数和(自身を除く): 1215900560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 172, 215, 236, 295, 344, 430, 472, 590, 688, 860, 944, 1180, 1720, 2360, 2537, 3440, 4219, 4720, 5074, 8438, 10148, 12685, 16876, 20296, 21095, 25370, 33752, 40592, 42190, 50740, 67504, 84380, 101480, 168760, 181417, 202960, 248921, 337520, 362834, 497842, 725668, 907085, 995684, 1244605, 1451336, 1814170, 1991368, 2489210, 2902672, 3628340, 3982736, 4978420, 7256680, 9956840, 10703603, 14513360, 19913680, 21407206, 42814412, 53518015, 85628824, 107036030, 171257648, 214072060, 428144120, 856288240]

約数ペア:

[(1, 856288240), (2, 428144120), (4, 214072060), (5, 171257648), (8, 107036030), (10, 85628824), (16, 53518015), (20, 42814412), (40, 21407206), (43, 19913680), (59, 14513360), (80, 10703603), (86, 9956840), (118, 7256680), (172, 4978420), (215, 3982736), (236, 3628340), (295, 2902672), (344, 2489210), (430, 1991368), (472, 1814170), (590, 1451336), (688, 1244605), (860, 995684), (944, 907085), (1180, 725668), (1720, 497842), (2360, 362834), (2537, 337520), (3440, 248921), (4219, 202960), (4720, 181417), (5074, 168760), (8438, 101480), (10148, 84380), (12685, 67504), (16876, 50740), (20296, 42190), (21095, 40592), (25370, 33752)]