31447360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 112

約数和(自身を含む): 87050880

約数和(自身を除く): 55603520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 139, 140, 160, 202, 224, 278, 280, 320, 404, 448, 505, 556, 560, 695, 707, 808, 973, 1010, 1112, 1120, 1390, 1414, 1616, 1946, 2020, 2224, 2240, 2780, 2828, 3232, 3535, 3892, 4040, 4448, 4865, 5560, 5656, 6464, 7070, 7784, 8080, 8896, 9730, 11120, 11312, 14039, 14140, 15568, 16160, 19460, 22240, 22624, 28078, 28280, 31136, 32320, 38920, 44480, 45248, 56156, 56560, 62272, 70195, 77840, 98273, 112312, 113120, 140390, 155680, 196546, 224624, 226240, 280780, 311360, 393092, 449248, 491365, 561560, 786184, 898496, 982730, 1123120, 1572368, 1965460, 2246240, 3144736, 3930920, 4492480, 6289472, 7861840, 15723680, 31447360]

約数ペア:

[(1, 31447360), (2, 15723680), (4, 7861840), (5, 6289472), (7, 4492480), (8, 3930920), (10, 3144736), (14, 2246240), (16, 1965460), (20, 1572368), (28, 1123120), (32, 982730), (35, 898496), (40, 786184), (56, 561560), (64, 491365), (70, 449248), (80, 393092), (101, 311360), (112, 280780), (139, 226240), (140, 224624), (160, 196546), (202, 155680), (224, 140390), (278, 113120), (280, 112312), (320, 98273), (404, 77840), (448, 70195), (505, 62272), (556, 56560), (560, 56156), (695, 45248), (707, 44480), (808, 38920), (973, 32320), (1010, 31136), (1112, 28280), (1120, 28078), (1390, 22624), (1414, 22240), (1616, 19460), (1946, 16160), (2020, 15568), (2224, 14140), (2240, 14039), (2780, 11312), (2828, 11120), (3232, 9730), (3535, 8896), (3892, 8080), (4040, 7784), (4448, 7070), (4865, 6464), (5560, 5656)]