31504480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1268

約数の個数: 96

約数和(自身を含む): 88833024

約数和(自身を除く): 57328544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1223, 1288, 1610, 1840, 2446, 2576, 3220, 3680, 4892, 5152, 6115, 6440, 8561, 9784, 12230, 12880, 17122, 19568, 24460, 25760, 28129, 34244, 39136, 42805, 48920, 56258, 68488, 85610, 97840, 112516, 136976, 140645, 171220, 195680, 196903, 225032, 273952, 281290, 342440, 393806, 450064, 562580, 684880, 787612, 900128, 984515, 1125160, 1369760, 1575224, 1969030, 2250320, 3150448, 3938060, 4500640, 6300896, 7876120, 15752240, 31504480]

約数ペア:

[(1, 31504480), (2, 15752240), (4, 7876120), (5, 6300896), (7, 4500640), (8, 3938060), (10, 3150448), (14, 2250320), (16, 1969030), (20, 1575224), (23, 1369760), (28, 1125160), (32, 984515), (35, 900128), (40, 787612), (46, 684880), (56, 562580), (70, 450064), (80, 393806), (92, 342440), (112, 281290), (115, 273952), (140, 225032), (160, 196903), (161, 195680), (184, 171220), (224, 140645), (230, 136976), (280, 112516), (322, 97840), (368, 85610), (460, 68488), (560, 56258), (644, 48920), (736, 42805), (805, 39136), (920, 34244), (1120, 28129), (1223, 25760), (1288, 24460), (1610, 19568), (1840, 17122), (2446, 12880), (2576, 12230), (3220, 9784), (3680, 8561), (4892, 6440), (5152, 6115)]