128534220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4729}}^1$

素因数の和:4895

約数の個数: 72

約数和(自身を含む): 392552160

約数和(自身を除く): 264017940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 2265, 2718, 3020, 4530, 4729, 5436, 6795, 9060, 9458, 13590, 14187, 18916, 23645, 27180, 28374, 42561, 47290, 56748, 70935, 85122, 94580, 141870, 170244, 212805, 283740, 425610, 714079, 851220, 1428158, 2142237, 2856316, 3570395, 4284474, 6426711, 7140790, 8568948, 10711185, 12853422, 14281580, 21422370, 25706844, 32133555, 42844740, 64267110, 128534220]

約数ペア:

[(1, 128534220), (2, 64267110), (3, 42844740), (4, 32133555), (5, 25706844), (6, 21422370), (9, 14281580), (10, 12853422), (12, 10711185), (15, 8568948), (18, 7140790), (20, 6426711), (30, 4284474), (36, 3570395), (45, 2856316), (60, 2142237), (90, 1428158), (151, 851220), (180, 714079), (302, 425610), (453, 283740), (604, 212805), (755, 170244), (906, 141870), (1359, 94580), (1510, 85122), (1812, 70935), (2265, 56748), (2718, 47290), (3020, 42561), (4530, 28374), (4729, 27180), (5436, 23645), (6795, 18916), (9060, 14187), (9458, 13590)]