156720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{653}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 486576

約数和(自身を除く): 329856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 653, 1306, 1959, 2612, 3265, 3918, 5224, 6530, 7836, 9795, 10448, 13060, 15672, 19590, 26120, 31344, 39180, 52240, 78360, 156720]

約数ペア:

[(1, 156720), (2, 78360), (3, 52240), (4, 39180), (5, 31344), (6, 26120), (8, 19590), (10, 15672), (12, 13060), (15, 10448), (16, 9795), (20, 7836), (24, 6530), (30, 5224), (40, 3918), (48, 3265), (60, 2612), (80, 1959), (120, 1306), (240, 653)]