208447440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868531}}^1$

素因数の和:868547

約数の個数: 40

約数和(自身を含む): 646187808

約数和(自身を除く): 437740368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868531, 1737062, 2605593, 3474124, 4342655, 5211186, 6948248, 8685310, 10422372, 13027965, 13896496, 17370620, 20844744, 26055930, 34741240, 41689488, 52111860, 69482480, 104223720, 208447440]

約数ペア:

[(1, 208447440), (2, 104223720), (3, 69482480), (4, 52111860), (5, 41689488), (6, 34741240), (8, 26055930), (10, 20844744), (12, 17370620), (15, 13896496), (16, 13027965), (20, 10422372), (24, 8685310), (30, 6948248), (40, 5211186), (48, 4342655), (60, 3474124), (80, 2605593), (120, 1737062), (240, 868531)]