251168280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8273}}^1$

素因数の和:8321

約数の個数: 128

約数和(自身を含む): 857848320

約数和(自身を除く): 606680040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 1012, 1265, 1320, 1380, 1518, 2024, 2530, 2760, 3036, 3795, 5060, 6072, 7590, 8273, 10120, 15180, 16546, 24819, 30360, 33092, 41365, 49638, 66184, 82730, 91003, 99276, 124095, 165460, 182006, 190279, 198552, 248190, 273009, 330920, 364012, 380558, 455015, 496380, 546018, 570837, 728024, 761116, 910030, 951395, 992760, 1092036, 1141674, 1365045, 1522232, 1820060, 1902790, 2093069, 2184072, 2283348, 2730090, 2854185, 3640120, 3805580, 4186138, 4566696, 5460180, 5708370, 6279207, 7611160, 8372276, 10465345, 10920360, 11416740, 12558414, 16744552, 20930690, 22833480, 25116828, 31396035, 41861380, 50233656, 62792070, 83722760, 125584140, 251168280]

約数ペア:

[(1, 251168280), (2, 125584140), (3, 83722760), (4, 62792070), (5, 50233656), (6, 41861380), (8, 31396035), (10, 25116828), (11, 22833480), (12, 20930690), (15, 16744552), (20, 12558414), (22, 11416740), (23, 10920360), (24, 10465345), (30, 8372276), (33, 7611160), (40, 6279207), (44, 5708370), (46, 5460180), (55, 4566696), (60, 4186138), (66, 3805580), (69, 3640120), (88, 2854185), (92, 2730090), (110, 2283348), (115, 2184072), (120, 2093069), (132, 1902790), (138, 1820060), (165, 1522232), (184, 1365045), (220, 1141674), (230, 1092036), (253, 992760), (264, 951395), (276, 910030), (330, 761116), (345, 728024), (440, 570837), (460, 546018), (506, 496380), (552, 455015), (660, 380558), (690, 364012), (759, 330920), (920, 273009), (1012, 248190), (1265, 198552), (1320, 190279), (1380, 182006), (1518, 165460), (2024, 124095), (2530, 99276), (2760, 91003), (3036, 82730), (3795, 66184), (5060, 49638), (6072, 41365), (7590, 33092), (8273, 30360), (10120, 24819), (15180, 16546)]