66515960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12503}}^1$

素因数の和:12540

約数の個数: 64

約数和(自身を含む): 180057600

約数和(自身を除く): 113541640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 12503, 25006, 50012, 62515, 87521, 100024, 125030, 175042, 237557, 250060, 350084, 437605, 475114, 500120, 700168, 875210, 950228, 1187785, 1662899, 1750420, 1900456, 2375570, 3325798, 3500840, 4751140, 6651596, 8314495, 9502280, 13303192, 16628990, 33257980, 66515960]

約数ペア:

[(1, 66515960), (2, 33257980), (4, 16628990), (5, 13303192), (7, 9502280), (8, 8314495), (10, 6651596), (14, 4751140), (19, 3500840), (20, 3325798), (28, 2375570), (35, 1900456), (38, 1750420), (40, 1662899), (56, 1187785), (70, 950228), (76, 875210), (95, 700168), (133, 500120), (140, 475114), (152, 437605), (190, 350084), (266, 250060), (280, 237557), (380, 175042), (532, 125030), (665, 100024), (760, 87521), (1064, 62515), (1330, 50012), (2660, 25006), (5320, 12503)]