1613305520

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 3809086560

約数和(自身を除く): 2195781040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 179, 226, 358, 452, 565, 716, 895, 904, 997, 1130, 1432, 1790, 1808, 1994, 2260, 2864, 3580, 3988, 4520, 4985, 7160, 7976, 9040, 9970, 14320, 15952, 19940, 20227, 39880, 40454, 79760, 80908, 101135, 112661, 161816, 178463, 202270, 225322, 323632, 356926, 404540, 450644, 563305, 713852, 809080, 892315, 901288, 1126610, 1427704, 1618160, 1784630, 1802576, 2253220, 2855408, 3569260, 4506440, 7138520, 9012880, 14277040, 20166319, 40332638, 80665276, 100831595, 161330552, 201663190, 322661104, 403326380, 806652760, 1613305520]

約数ペア:

[(1, 1613305520), (2, 806652760), (4, 403326380), (5, 322661104), (8, 201663190), (10, 161330552), (16, 100831595), (20, 80665276), (40, 40332638), (80, 20166319), (113, 14277040), (179, 9012880), (226, 7138520), (358, 4506440), (452, 3569260), (565, 2855408), (716, 2253220), (895, 1802576), (904, 1784630), (997, 1618160), (1130, 1427704), (1432, 1126610), (1790, 901288), (1808, 892315), (1994, 809080), (2260, 713852), (2864, 563305), (3580, 450644), (3988, 404540), (4520, 356926), (4985, 323632), (7160, 225322), (7976, 202270), (9040, 178463), (9970, 161816), (14320, 112661), (15952, 101135), (19940, 80908), (20227, 79760), (39880, 40454)]