156982245040

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{769}}^1\times {\mathrm{5197}}^1$

素因数の和:6470

約数の個数: 80

約数和(自身を含む): 366273119520

約数和(自身を除く): 209290874480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 769, 982, 1538, 1964, 2455, 3076, 3845, 3928, 4910, 5197, 6152, 7690, 7856, 9820, 10394, 12304, 15380, 19640, 20788, 25985, 30760, 39280, 41576, 51970, 61520, 83152, 103940, 207880, 377579, 415760, 755158, 1510316, 1887895, 2551727, 3020632, 3775790, 3996493, 5103454, 6041264, 7551580, 7992986, 10206908, 12758635, 15103160, 15985972, 19982465, 20413816, 25517270, 30206320, 31971944, 39964930, 40827632, 51034540, 63943888, 79929860, 102069080, 159859720, 204138160, 319719440, 1962278063, 3924556126, 7849112252, 9811390315, 15698224504, 19622780630, 31396449008, 39245561260, 78491122520, 156982245040]

約数ペア:

[(1, 156982245040), (2, 78491122520), (4, 39245561260), (5, 31396449008), (8, 19622780630), (10, 15698224504), (16, 9811390315), (20, 7849112252), (40, 3924556126), (80, 1962278063), (491, 319719440), (769, 204138160), (982, 159859720), (1538, 102069080), (1964, 79929860), (2455, 63943888), (3076, 51034540), (3845, 40827632), (3928, 39964930), (4910, 31971944), (5197, 30206320), (6152, 25517270), (7690, 20413816), (7856, 19982465), (9820, 15985972), (10394, 15103160), (12304, 12758635), (15380, 10206908), (19640, 7992986), (20788, 7551580), (25985, 6041264), (30760, 5103454), (39280, 3996493), (41576, 3775790), (51970, 3020632), (61520, 2551727), (83152, 1887895), (103940, 1510316), (207880, 755158), (377579, 415760)]