15408720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21401}}^1$

素因数の和:21420

約数の個数: 60

約数和(自身を含む): 51750036

約数和(自身を除く): 36341316

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, 21401, 42802, 64203, 85604, 107005, 128406, 171208, 192609, 214010, 256812, 321015, 342416, 385218, 428020, 513624, 642030, 770436, 856040, 963045, 1027248, 1284060, 1540872, 1712080, 1926090, 2568120, 3081744, 3852180, 5136240, 7704360, 15408720]

約数ペア:

[(1, 15408720), (2, 7704360), (3, 5136240), (4, 3852180), (5, 3081744), (6, 2568120), (8, 1926090), (9, 1712080), (10, 1540872), (12, 1284060), (15, 1027248), (16, 963045), (18, 856040), (20, 770436), (24, 642030), (30, 513624), (36, 428020), (40, 385218), (45, 342416), (48, 321015), (60, 256812), (72, 214010), (80, 192609), (90, 171208), (120, 128406), (144, 107005), (180, 85604), (240, 64203), (360, 42802), (720, 21401)]