155136720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{646403}}^1$

素因数の和:646419

約数の個数: 40

約数和(自身を含む): 480924576

約数和(自身を除く): 325787856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 646403, 1292806, 1939209, 2585612, 3232015, 3878418, 5171224, 6464030, 7756836, 9696045, 10342448, 12928060, 15513672, 19392090, 25856120, 31027344, 38784180, 51712240, 77568360, 155136720]

約数ペア:

[(1, 155136720), (2, 77568360), (3, 51712240), (4, 38784180), (5, 31027344), (6, 25856120), (8, 19392090), (10, 15513672), (12, 12928060), (15, 10342448), (16, 9696045), (20, 7756836), (24, 6464030), (30, 5171224), (40, 3878418), (48, 3232015), (60, 2585612), (80, 1939209), (120, 1292806), (240, 646403)]