181993280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:856

約数の個数: 112

約数和(自身を含む): 500359680

約数和(自身を除く): 318366400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 140, 160, 224, 226, 280, 320, 448, 452, 560, 565, 719, 791, 904, 1120, 1130, 1438, 1582, 1808, 2240, 2260, 2876, 3164, 3595, 3616, 3955, 4520, 5033, 5752, 6328, 7190, 7232, 7910, 9040, 10066, 11504, 12656, 14380, 15820, 18080, 20132, 23008, 25165, 25312, 28760, 31640, 36160, 40264, 46016, 50330, 50624, 57520, 63280, 80528, 81247, 100660, 115040, 126560, 161056, 162494, 201320, 230080, 253120, 322112, 324988, 402640, 406235, 568729, 649976, 805280, 812470, 1137458, 1299952, 1610560, 1624940, 2274916, 2599904, 2843645, 3249880, 4549832, 5199808, 5687290, 6499760, 9099664, 11374580, 12999520, 18199328, 22749160, 25999040, 36398656, 45498320, 90996640, 181993280]

約数ペア:

[(1, 181993280), (2, 90996640), (4, 45498320), (5, 36398656), (7, 25999040), (8, 22749160), (10, 18199328), (14, 12999520), (16, 11374580), (20, 9099664), (28, 6499760), (32, 5687290), (35, 5199808), (40, 4549832), (56, 3249880), (64, 2843645), (70, 2599904), (80, 2274916), (112, 1624940), (113, 1610560), (140, 1299952), (160, 1137458), (224, 812470), (226, 805280), (280, 649976), (320, 568729), (448, 406235), (452, 402640), (560, 324988), (565, 322112), (719, 253120), (791, 230080), (904, 201320), (1120, 162494), (1130, 161056), (1438, 126560), (1582, 115040), (1808, 100660), (2240, 81247), (2260, 80528), (2876, 63280), (3164, 57520), (3595, 50624), (3616, 50330), (3955, 46016), (4520, 40264), (5033, 36160), (5752, 31640), (6328, 28760), (7190, 25312), (7232, 25165), (7910, 23008), (9040, 20132), (10066, 18080), (11504, 15820), (12656, 14380)]