51256530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{859}}^1$

素因数の和:905

約数の個数: 128

約数和(自身を含む): 156038400

約数和(自身を除く): 104781870

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 85, 90, 102, 117, 130, 135, 153, 170, 195, 221, 234, 255, 270, 306, 351, 390, 442, 459, 510, 585, 663, 702, 765, 859, 918, 1105, 1170, 1326, 1530, 1718, 1755, 1989, 2210, 2295, 2577, 3315, 3510, 3978, 4295, 4590, 5154, 5967, 6630, 7731, 8590, 9945, 11167, 11934, 12885, 14603, 15462, 19890, 22334, 23193, 25770, 29206, 29835, 33501, 38655, 43809, 46386, 55835, 59670, 67002, 73015, 77310, 87618, 100503, 111670, 115965, 131427, 146030, 167505, 189839, 201006, 219045, 231930, 262854, 301509, 335010, 379678, 394281, 438090, 502515, 569517, 603018, 657135, 788562, 949195, 1005030, 1139034, 1314270, 1507545, 1708551, 1898390, 1971405, 2847585, 3015090, 3417102, 3942810, 5125653, 5695170, 8542755, 10251306, 17085510, 25628265, 51256530]

約数ペア:

[(1, 51256530), (2, 25628265), (3, 17085510), (5, 10251306), (6, 8542755), (9, 5695170), (10, 5125653), (13, 3942810), (15, 3417102), (17, 3015090), (18, 2847585), (26, 1971405), (27, 1898390), (30, 1708551), (34, 1507545), (39, 1314270), (45, 1139034), (51, 1005030), (54, 949195), (65, 788562), (78, 657135), (85, 603018), (90, 569517), (102, 502515), (117, 438090), (130, 394281), (135, 379678), (153, 335010), (170, 301509), (195, 262854), (221, 231930), (234, 219045), (255, 201006), (270, 189839), (306, 167505), (351, 146030), (390, 131427), (442, 115965), (459, 111670), (510, 100503), (585, 87618), (663, 77310), (702, 73015), (765, 67002), (859, 59670), (918, 55835), (1105, 46386), (1170, 43809), (1326, 38655), (1530, 33501), (1718, 29835), (1755, 29206), (1989, 25770), (2210, 23193), (2295, 22334), (2577, 19890), (3315, 15462), (3510, 14603), (3978, 12885), (4295, 11934), (4590, 11167), (5154, 9945), (5967, 8590), (6630, 7731)]