489807760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3119}}^1$

素因数の和:3296

約数の個数: 80

約数和(自身を含む): 1234920960

約数和(自身を除く): 745113200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 208, 260, 302, 520, 604, 755, 1040, 1208, 1510, 1963, 2416, 3020, 3119, 3926, 6040, 6238, 7852, 9815, 12080, 12476, 15595, 15704, 19630, 24952, 31190, 31408, 39260, 40547, 49904, 62380, 78520, 81094, 124760, 157040, 162188, 202735, 249520, 324376, 405470, 470969, 648752, 810940, 941938, 1621880, 1883876, 2354845, 3243760, 3767752, 4709690, 6122597, 7535504, 9419380, 12245194, 18838760, 24490388, 30612985, 37677520, 48980776, 61225970, 97961552, 122451940, 244903880, 489807760]

約数ペア:

[(1, 489807760), (2, 244903880), (4, 122451940), (5, 97961552), (8, 61225970), (10, 48980776), (13, 37677520), (16, 30612985), (20, 24490388), (26, 18838760), (40, 12245194), (52, 9419380), (65, 7535504), (80, 6122597), (104, 4709690), (130, 3767752), (151, 3243760), (208, 2354845), (260, 1883876), (302, 1621880), (520, 941938), (604, 810940), (755, 648752), (1040, 470969), (1208, 405470), (1510, 324376), (1963, 249520), (2416, 202735), (3020, 162188), (3119, 157040), (3926, 124760), (6040, 81094), (6238, 78520), (7852, 62380), (9815, 49904), (12080, 40547), (12476, 39260), (15595, 31408), (15704, 31190), (19630, 24952)]