8753021820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{349841}}^1$

素因数の和:349995

約数の個数: 72

約数和(自身を含む): 26741922480

約数和(自身を除く): 17988900660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 25020, 349841, 699682, 1049523, 1399364, 1749205, 2099046, 3148569, 3498410, 4198092, 5247615, 6297138, 6996820, 10495230, 12594276, 15742845, 20990460, 31485690, 48627899, 62971380, 97255798, 145883697, 194511596, 243139495, 291767394, 437651091, 486278990, 583534788, 729418485, 875302182, 972557980, 1458836970, 1750604364, 2188255455, 2917673940, 4376510910, 8753021820]

約数ペア:

[(1, 8753021820), (2, 4376510910), (3, 2917673940), (4, 2188255455), (5, 1750604364), (6, 1458836970), (9, 972557980), (10, 875302182), (12, 729418485), (15, 583534788), (18, 486278990), (20, 437651091), (30, 291767394), (36, 243139495), (45, 194511596), (60, 145883697), (90, 97255798), (139, 62971380), (180, 48627899), (278, 31485690), (417, 20990460), (556, 15742845), (695, 12594276), (834, 10495230), (1251, 6996820), (1390, 6297138), (1668, 5247615), (2085, 4198092), (2502, 3498410), (2780, 3148569), (4170, 2099046), (5004, 1749205), (6255, 1399364), (8340, 1049523), (12510, 699682), (25020, 349841)]