30201920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 83637120

約数和(自身を除く): 53435200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 139, 140, 160, 194, 224, 278, 280, 320, 388, 448, 485, 556, 560, 679, 695, 776, 970, 973, 1112, 1120, 1358, 1390, 1552, 1940, 1946, 2224, 2240, 2716, 2780, 3104, 3395, 3880, 3892, 4448, 4865, 5432, 5560, 6208, 6790, 7760, 7784, 8896, 9730, 10864, 11120, 13483, 13580, 15520, 15568, 19460, 21728, 22240, 26966, 27160, 31040, 31136, 38920, 43456, 44480, 53932, 54320, 62272, 67415, 77840, 94381, 107864, 108640, 134830, 155680, 188762, 215728, 217280, 269660, 311360, 377524, 431456, 471905, 539320, 755048, 862912, 943810, 1078640, 1510096, 1887620, 2157280, 3020192, 3775240, 4314560, 6040384, 7550480, 15100960, 30201920]

約数ペア:

[(1, 30201920), (2, 15100960), (4, 7550480), (5, 6040384), (7, 4314560), (8, 3775240), (10, 3020192), (14, 2157280), (16, 1887620), (20, 1510096), (28, 1078640), (32, 943810), (35, 862912), (40, 755048), (56, 539320), (64, 471905), (70, 431456), (80, 377524), (97, 311360), (112, 269660), (139, 217280), (140, 215728), (160, 188762), (194, 155680), (224, 134830), (278, 108640), (280, 107864), (320, 94381), (388, 77840), (448, 67415), (485, 62272), (556, 54320), (560, 53932), (679, 44480), (695, 43456), (776, 38920), (970, 31136), (973, 31040), (1112, 27160), (1120, 26966), (1358, 22240), (1390, 21728), (1552, 19460), (1940, 15568), (1946, 15520), (2224, 13580), (2240, 13483), (2716, 11120), (2780, 10864), (3104, 9730), (3395, 8896), (3880, 7784), (3892, 7760), (4448, 6790), (4865, 6208), (5432, 5560)]