128383440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{534931}}^1$

素因数の和:534947

約数の個数: 40

約数和(自身を含む): 397989408

約数和(自身を除く): 269605968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 534931, 1069862, 1604793, 2139724, 2674655, 3209586, 4279448, 5349310, 6419172, 8023965, 8558896, 10698620, 12838344, 16047930, 21397240, 25676688, 32095860, 42794480, 64191720, 128383440]

約数ペア:

[(1, 128383440), (2, 64191720), (3, 42794480), (4, 32095860), (5, 25676688), (6, 21397240), (8, 16047930), (10, 12838344), (12, 10698620), (15, 8558896), (16, 8023965), (20, 6419172), (24, 5349310), (30, 4279448), (40, 3209586), (48, 2674655), (60, 2139724), (80, 1604793), (120, 1069862), (240, 534931)]