208030860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:608

約数の個数: 144

約数和(自身を含む): 665945280

約数和(自身を除く): 457914420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 109, 115, 138, 180, 207, 218, 230, 276, 327, 345, 414, 436, 460, 461, 545, 654, 690, 828, 922, 981, 1035, 1090, 1308, 1380, 1383, 1635, 1844, 1962, 2070, 2180, 2305, 2507, 2766, 3270, 3924, 4140, 4149, 4610, 4905, 5014, 5532, 6540, 6915, 7521, 8298, 9220, 9810, 10028, 10603, 12535, 13830, 15042, 16596, 19620, 20745, 21206, 22563, 25070, 27660, 30084, 31809, 37605, 41490, 42412, 45126, 50140, 50249, 53015, 63618, 75210, 82980, 90252, 95427, 100498, 106030, 112815, 127236, 150420, 150747, 159045, 190854, 200996, 212060, 225630, 251245, 301494, 318090, 381708, 451260, 452241, 477135, 502490, 602988, 636180, 753735, 904482, 954270, 1004980, 1155727, 1507470, 1808964, 1908540, 2261205, 2311454, 3014940, 3467181, 4522410, 4622908, 5778635, 6934362, 9044820, 10401543, 11557270, 13868724, 17335905, 20803086, 23114540, 34671810, 41606172, 52007715, 69343620, 104015430, 208030860]

約数ペア:

[(1, 208030860), (2, 104015430), (3, 69343620), (4, 52007715), (5, 41606172), (6, 34671810), (9, 23114540), (10, 20803086), (12, 17335905), (15, 13868724), (18, 11557270), (20, 10401543), (23, 9044820), (30, 6934362), (36, 5778635), (45, 4622908), (46, 4522410), (60, 3467181), (69, 3014940), (90, 2311454), (92, 2261205), (109, 1908540), (115, 1808964), (138, 1507470), (180, 1155727), (207, 1004980), (218, 954270), (230, 904482), (276, 753735), (327, 636180), (345, 602988), (414, 502490), (436, 477135), (460, 452241), (461, 451260), (545, 381708), (654, 318090), (690, 301494), (828, 251245), (922, 225630), (981, 212060), (1035, 200996), (1090, 190854), (1308, 159045), (1380, 150747), (1383, 150420), (1635, 127236), (1844, 112815), (1962, 106030), (2070, 100498), (2180, 95427), (2305, 90252), (2507, 82980), (2766, 75210), (3270, 63618), (3924, 53015), (4140, 50249), (4149, 50140), (4610, 45126), (4905, 42412), (5014, 41490), (5532, 37605), (6540, 31809), (6915, 30084), (7521, 27660), (8298, 25070), (9220, 22563), (9810, 21206), (10028, 20745), (10603, 19620), (12535, 16596), (13830, 15042)]