19680213960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4969751}}^1$

素因数の和:4969779

約数の個数: 96

約数和(自身を含む): 69775318080

約数和(自身を除く): 50095104120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4969751, 9939502, 14909253, 19879004, 24848755, 29818506, 39758008, 44727759, 49697510, 54667261, 59637012, 74546265, 89455518, 99395020, 109334522, 119274024, 149092530, 164001783, 178911036, 198790040, 218669044, 223638795, 273336305, 298185060, 328003566, 357822072, 437338088, 447277590, 492005349, 546672610, 596370120, 656007132, 820008915, 894555180, 984010698, 1093345220, 1312014264, 1640017830, 1789110360, 1968021396, 2186690440, 2460026745, 3280035660, 3936042792, 4920053490, 6560071320, 9840106980, 19680213960]

約数ペア:

[(1, 19680213960), (2, 9840106980), (3, 6560071320), (4, 4920053490), (5, 3936042792), (6, 3280035660), (8, 2460026745), (9, 2186690440), (10, 1968021396), (11, 1789110360), (12, 1640017830), (15, 1312014264), (18, 1093345220), (20, 984010698), (22, 894555180), (24, 820008915), (30, 656007132), (33, 596370120), (36, 546672610), (40, 492005349), (44, 447277590), (45, 437338088), (55, 357822072), (60, 328003566), (66, 298185060), (72, 273336305), (88, 223638795), (90, 218669044), (99, 198790040), (110, 178911036), (120, 164001783), (132, 149092530), (165, 119274024), (180, 109334522), (198, 99395020), (220, 89455518), (264, 74546265), (330, 59637012), (360, 54667261), (396, 49697510), (440, 44727759), (495, 39758008), (660, 29818506), (792, 24848755), (990, 19879004), (1320, 14909253), (1980, 9939502), (3960, 4969751)]