2080352680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 5469223680

約数和(自身を除く): 3388871000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 173, 268, 280, 335, 346, 469, 536, 641, 670, 692, 865, 938, 1211, 1282, 1340, 1384, 1730, 1876, 2345, 2422, 2564, 2680, 3205, 3460, 3752, 4487, 4690, 4844, 5128, 6055, 6410, 6920, 8974, 9380, 9688, 11591, 12110, 12820, 17948, 18760, 22435, 23182, 24220, 25640, 35896, 42947, 44870, 46364, 48440, 57955, 81137, 85894, 89740, 92728, 110893, 115910, 162274, 171788, 179480, 214735, 221786, 231820, 300629, 324548, 343576, 405685, 429470, 443572, 463640, 554465, 601258, 649096, 776251, 811370, 858940, 887144, 1108930, 1202516, 1503145, 1552502, 1622740, 1717880, 2217860, 2405032, 3006290, 3105004, 3245480, 3881255, 4435720, 6012580, 6210008, 7429831, 7762510, 12025160, 14859662, 15525020, 29719324, 31050040, 37149155, 52008817, 59438648, 74298310, 104017634, 148596620, 208035268, 260044085, 297193240, 416070536, 520088170, 1040176340, 2080352680]

約数ペア:

[(1, 2080352680), (2, 1040176340), (4, 520088170), (5, 416070536), (7, 297193240), (8, 260044085), (10, 208035268), (14, 148596620), (20, 104017634), (28, 74298310), (35, 59438648), (40, 52008817), (56, 37149155), (67, 31050040), (70, 29719324), (134, 15525020), (140, 14859662), (173, 12025160), (268, 7762510), (280, 7429831), (335, 6210008), (346, 6012580), (469, 4435720), (536, 3881255), (641, 3245480), (670, 3105004), (692, 3006290), (865, 2405032), (938, 2217860), (1211, 1717880), (1282, 1622740), (1340, 1552502), (1384, 1503145), (1730, 1202516), (1876, 1108930), (2345, 887144), (2422, 858940), (2564, 811370), (2680, 776251), (3205, 649096), (3460, 601258), (3752, 554465), (4487, 463640), (4690, 443572), (4844, 429470), (5128, 405685), (6055, 343576), (6410, 324548), (6920, 300629), (8974, 231820), (9380, 221786), (9688, 214735), (11591, 179480), (12110, 171788), (12820, 162274), (17948, 115910), (18760, 110893), (22435, 92728), (23182, 89740), (24220, 85894), (25640, 81137), (35896, 57955), (42947, 48440), (44870, 46364)]