16591036720

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{659}}^1\times {\mathrm{809}}^1$

素因数の和:1870

約数の個数: 80

約数和(自身を含む): 38779884000

約数和(自身を除く): 22188847280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 659, 778, 809, 1318, 1556, 1618, 1945, 2636, 3112, 3236, 3295, 3890, 4045, 5272, 6224, 6472, 6590, 7780, 8090, 10544, 12944, 13180, 15560, 16180, 26360, 31120, 32360, 52720, 64720, 256351, 314701, 512702, 533131, 629402, 1025404, 1066262, 1258804, 1281755, 1573505, 2050808, 2132524, 2517608, 2563510, 2665655, 3147010, 4101616, 4265048, 5035216, 5127020, 5331310, 6294020, 8530096, 10254040, 10662620, 12588040, 20508080, 21325240, 25176080, 42650480, 207387959, 414775918, 829551836, 1036939795, 1659103672, 2073879590, 3318207344, 4147759180, 8295518360, 16591036720]

約数ペア:

[(1, 16591036720), (2, 8295518360), (4, 4147759180), (5, 3318207344), (8, 2073879590), (10, 1659103672), (16, 1036939795), (20, 829551836), (40, 414775918), (80, 207387959), (389, 42650480), (659, 25176080), (778, 21325240), (809, 20508080), (1318, 12588040), (1556, 10662620), (1618, 10254040), (1945, 8530096), (2636, 6294020), (3112, 5331310), (3236, 5127020), (3295, 5035216), (3890, 4265048), (4045, 4101616), (5272, 3147010), (6224, 2665655), (6472, 2563510), (6590, 2517608), (7780, 2132524), (8090, 2050808), (10544, 1573505), (12944, 1281755), (13180, 1258804), (15560, 1066262), (16180, 1025404), (26360, 629402), (31120, 533131), (32360, 512702), (52720, 314701), (64720, 256351)]