66521840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10799}}^1$

素因数の和:10830

約数の個数: 80

約数和(自身を含む): 192844800

約数和(自身を除く): 126322960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 10799, 21598, 43196, 53995, 75593, 86392, 107990, 118789, 151186, 172784, 215980, 237578, 302372, 377965, 431960, 475156, 593945, 604744, 755930, 831523, 863920, 950312, 1187890, 1209488, 1511860, 1663046, 1900624, 2375780, 3023720, 3326092, 4157615, 4751560, 6047440, 6652184, 8315230, 9503120, 13304368, 16630460, 33260920, 66521840]

約数ペア:

[(1, 66521840), (2, 33260920), (4, 16630460), (5, 13304368), (7, 9503120), (8, 8315230), (10, 6652184), (11, 6047440), (14, 4751560), (16, 4157615), (20, 3326092), (22, 3023720), (28, 2375780), (35, 1900624), (40, 1663046), (44, 1511860), (55, 1209488), (56, 1187890), (70, 950312), (77, 863920), (80, 831523), (88, 755930), (110, 604744), (112, 593945), (140, 475156), (154, 431960), (176, 377965), (220, 302372), (280, 237578), (308, 215980), (385, 172784), (440, 151186), (560, 118789), (616, 107990), (770, 86392), (880, 75593), (1232, 53995), (1540, 43196), (3080, 21598), (6160, 10799)]