201715760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 488064000

約数和(自身を除く): 286348240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 499, 620, 652, 815, 998, 1240, 1304, 1630, 1996, 2480, 2495, 2608, 3260, 3992, 4990, 5053, 6520, 7984, 9980, 10106, 13040, 15469, 19960, 20212, 25265, 30938, 39920, 40424, 50530, 61876, 77345, 80848, 81337, 101060, 123752, 154690, 162674, 202120, 247504, 309380, 325348, 404240, 406685, 618760, 650696, 813370, 1237520, 1301392, 1626740, 2521447, 3253480, 5042894, 6506960, 10085788, 12607235, 20171576, 25214470, 40343152, 50428940, 100857880, 201715760]

約数ペア:

[(1, 201715760), (2, 100857880), (4, 50428940), (5, 40343152), (8, 25214470), (10, 20171576), (16, 12607235), (20, 10085788), (31, 6506960), (40, 5042894), (62, 3253480), (80, 2521447), (124, 1626740), (155, 1301392), (163, 1237520), (248, 813370), (310, 650696), (326, 618760), (496, 406685), (499, 404240), (620, 325348), (652, 309380), (815, 247504), (998, 202120), (1240, 162674), (1304, 154690), (1630, 123752), (1996, 101060), (2480, 81337), (2495, 80848), (2608, 77345), (3260, 61876), (3992, 50530), (4990, 40424), (5053, 39920), (6520, 30938), (7984, 25265), (9980, 20212), (10106, 19960), (13040, 15469)]