318488240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:859

約数の個数: 120

約数和(自身を含む): 870212160

約数和(自身を除く): 551723920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 113, 140, 196, 226, 245, 280, 392, 452, 490, 560, 565, 719, 784, 791, 904, 980, 1130, 1438, 1582, 1808, 1960, 2260, 2876, 3164, 3595, 3920, 3955, 4520, 5033, 5537, 5752, 6328, 7190, 7910, 9040, 10066, 11074, 11504, 12656, 14380, 15820, 20132, 22148, 25165, 27685, 28760, 31640, 35231, 40264, 44296, 50330, 55370, 57520, 63280, 70462, 80528, 81247, 88592, 100660, 110740, 140924, 162494, 176155, 201320, 221480, 281848, 324988, 352310, 402640, 406235, 442960, 563696, 568729, 649976, 704620, 812470, 1137458, 1299952, 1409240, 1624940, 2274916, 2818480, 2843645, 3249880, 3981103, 4549832, 5687290, 6499760, 7962206, 9099664, 11374580, 15924412, 19905515, 22749160, 31848824, 39811030, 45498320, 63697648, 79622060, 159244120, 318488240]

約数ペア:

[(1, 318488240), (2, 159244120), (4, 79622060), (5, 63697648), (7, 45498320), (8, 39811030), (10, 31848824), (14, 22749160), (16, 19905515), (20, 15924412), (28, 11374580), (35, 9099664), (40, 7962206), (49, 6499760), (56, 5687290), (70, 4549832), (80, 3981103), (98, 3249880), (112, 2843645), (113, 2818480), (140, 2274916), (196, 1624940), (226, 1409240), (245, 1299952), (280, 1137458), (392, 812470), (452, 704620), (490, 649976), (560, 568729), (565, 563696), (719, 442960), (784, 406235), (791, 402640), (904, 352310), (980, 324988), (1130, 281848), (1438, 221480), (1582, 201320), (1808, 176155), (1960, 162494), (2260, 140924), (2876, 110740), (3164, 100660), (3595, 88592), (3920, 81247), (3955, 80528), (4520, 70462), (5033, 63280), (5537, 57520), (5752, 55370), (6328, 50330), (7190, 44296), (7910, 40264), (9040, 35231), (10066, 31640), (11074, 28760), (11504, 27685), (12656, 25165), (14380, 22148), (15820, 20132)]