128027880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{355633}}^1$

素因数の和:355650

約数の個数: 48

約数和(自身を含む): 416091780

約数和(自身を除く): 288063900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 355633, 711266, 1066899, 1422532, 1778165, 2133798, 2845064, 3200697, 3556330, 4267596, 5334495, 6401394, 7112660, 8535192, 10668990, 12802788, 14225320, 16003485, 21337980, 25605576, 32006970, 42675960, 64013940, 128027880]

約数ペア:

[(1, 128027880), (2, 64013940), (3, 42675960), (4, 32006970), (5, 25605576), (6, 21337980), (8, 16003485), (9, 14225320), (10, 12802788), (12, 10668990), (15, 8535192), (18, 7112660), (20, 6401394), (24, 5334495), (30, 4267596), (36, 3556330), (40, 3200697), (45, 2845064), (60, 2133798), (72, 1778165), (90, 1422532), (120, 1066899), (180, 711266), (360, 355633)]