51301980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7703}}^1$

素因数の和:7755

約数の個数: 72

約数和(自身を含む): 159842592

約数和(自身を除く): 108540612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 7703, 15406, 23109, 30812, 38515, 46218, 69327, 77030, 92436, 115545, 138654, 154060, 231090, 277308, 285011, 346635, 462180, 570022, 693270, 855033, 1140044, 1386540, 1425055, 1710066, 2565099, 2850110, 3420132, 4275165, 5130198, 5700220, 8550330, 10260396, 12825495, 17100660, 25650990, 51301980]

約数ペア:

[(1, 51301980), (2, 25650990), (3, 17100660), (4, 12825495), (5, 10260396), (6, 8550330), (9, 5700220), (10, 5130198), (12, 4275165), (15, 3420132), (18, 2850110), (20, 2565099), (30, 1710066), (36, 1425055), (37, 1386540), (45, 1140044), (60, 855033), (74, 693270), (90, 570022), (111, 462180), (148, 346635), (180, 285011), (185, 277308), (222, 231090), (333, 154060), (370, 138654), (444, 115545), (555, 92436), (666, 77030), (740, 69327), (1110, 46218), (1332, 38515), (1665, 30812), (2220, 23109), (3330, 15406), (6660, 7703)]