77878440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{216329}}^1$

素因数の和:216346

約数の個数: 48

約数和(自身を含む): 253106100

約数和(自身を除く): 175227660

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, 216329, 432658, 648987, 865316, 1081645, 1297974, 1730632, 1946961, 2163290, 2595948, 3244935, 3893922, 4326580, 5191896, 6489870, 7787844, 8653160, 9734805, 12979740, 15575688, 19469610, 25959480, 38939220, 77878440]

約数ペア:

[(1, 77878440), (2, 38939220), (3, 25959480), (4, 19469610), (5, 15575688), (6, 12979740), (8, 9734805), (9, 8653160), (10, 7787844), (12, 6489870), (15, 5191896), (18, 4326580), (20, 3893922), (24, 3244935), (30, 2595948), (36, 2163290), (40, 1946961), (45, 1730632), (60, 1297974), (72, 1081645), (90, 865316), (120, 648987), (180, 432658), (360, 216329)]