15980300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 40768224

約数和(自身を除く): 24787924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 617, 700, 740, 925, 1036, 1234, 1295, 1850, 2468, 2590, 3085, 3700, 4319, 5180, 6170, 6475, 8638, 12340, 12950, 15425, 17276, 21595, 22829, 25900, 30850, 43190, 45658, 61700, 86380, 91316, 107975, 114145, 159803, 215950, 228290, 319606, 431900, 456580, 570725, 639212, 799015, 1141450, 1598030, 2282900, 3196060, 3995075, 7990150, 15980300]

約数ペア:

[(1, 15980300), (2, 7990150), (4, 3995075), (5, 3196060), (7, 2282900), (10, 1598030), (14, 1141450), (20, 799015), (25, 639212), (28, 570725), (35, 456580), (37, 431900), (50, 319606), (70, 228290), (74, 215950), (100, 159803), (140, 114145), (148, 107975), (175, 91316), (185, 86380), (259, 61700), (350, 45658), (370, 43190), (518, 30850), (617, 25900), (700, 22829), (740, 21595), (925, 17276), (1036, 15425), (1234, 12950), (1295, 12340), (1850, 8638), (2468, 6475), (2590, 6170), (3085, 5180), (3700, 4319)]