155756880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{216329}}^1$

素因数の和:216348

約数の個数: 60

約数和(自身を含む): 523085940

約数和(自身を除く): 367329060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 216329, 432658, 648987, 865316, 1081645, 1297974, 1730632, 1946961, 2163290, 2595948, 3244935, 3461264, 3893922, 4326580, 5191896, 6489870, 7787844, 8653160, 9734805, 10383792, 12979740, 15575688, 17306320, 19469610, 25959480, 31151376, 38939220, 51918960, 77878440, 155756880]

約数ペア:

[(1, 155756880), (2, 77878440), (3, 51918960), (4, 38939220), (5, 31151376), (6, 25959480), (8, 19469610), (9, 17306320), (10, 15575688), (12, 12979740), (15, 10383792), (16, 9734805), (18, 8653160), (20, 7787844), (24, 6489870), (30, 5191896), (36, 4326580), (40, 3893922), (45, 3461264), (48, 3244935), (60, 2595948), (72, 2163290), (80, 1946961), (90, 1730632), (120, 1297974), (144, 1081645), (180, 865316), (240, 648987), (360, 432658), (720, 216329)]