39918780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20161}}^1$

素因数の和:20187

約数の個数: 72

約数和(自身を含む): 132101424

約数和(自身を除く): 92182644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 20161, 40322, 60483, 80644, 100805, 120966, 181449, 201610, 221771, 241932, 302415, 362898, 403220, 443542, 604830, 665313, 725796, 887084, 907245, 1108855, 1209660, 1330626, 1814490, 1995939, 2217710, 2661252, 3326565, 3628980, 3991878, 4435420, 6653130, 7983756, 9979695, 13306260, 19959390, 39918780]

約数ペア:

[(1, 39918780), (2, 19959390), (3, 13306260), (4, 9979695), (5, 7983756), (6, 6653130), (9, 4435420), (10, 3991878), (11, 3628980), (12, 3326565), (15, 2661252), (18, 2217710), (20, 1995939), (22, 1814490), (30, 1330626), (33, 1209660), (36, 1108855), (44, 907245), (45, 887084), (55, 725796), (60, 665313), (66, 604830), (90, 443542), (99, 403220), (110, 362898), (132, 302415), (165, 241932), (180, 221771), (198, 201610), (220, 181449), (330, 120966), (396, 100805), (495, 80644), (660, 60483), (990, 40322), (1980, 20161)]