68832800

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:778

約数の個数: 72

約数和(自身を含む): 169520400

約数和(自身を除く): 100687600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 400, 556, 619, 695, 800, 1112, 1238, 1390, 2224, 2476, 2780, 3095, 3475, 4448, 4952, 5560, 6190, 6950, 9904, 11120, 12380, 13900, 15475, 19808, 22240, 24760, 27800, 30950, 49520, 55600, 61900, 86041, 99040, 111200, 123800, 172082, 247600, 344164, 430205, 495200, 688328, 860410, 1376656, 1720820, 2151025, 2753312, 3441640, 4302050, 6883280, 8604100, 13766560, 17208200, 34416400, 68832800]

約数ペア:

[(1, 68832800), (2, 34416400), (4, 17208200), (5, 13766560), (8, 8604100), (10, 6883280), (16, 4302050), (20, 3441640), (25, 2753312), (32, 2151025), (40, 1720820), (50, 1376656), (80, 860410), (100, 688328), (139, 495200), (160, 430205), (200, 344164), (278, 247600), (400, 172082), (556, 123800), (619, 111200), (695, 99040), (800, 86041), (1112, 61900), (1238, 55600), (1390, 49520), (2224, 30950), (2476, 27800), (2780, 24760), (3095, 22240), (3475, 19808), (4448, 15475), (4952, 13900), (5560, 12380), (6190, 11120), (6950, 9904)]