257587560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12553}}^1$

素因数の和:12592

約数の個数: 128

約数和(自身を含む): 903888000

約数和(自身を除く): 646300440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 12553, 20520, 25106, 37659, 50212, 62765, 75318, 100424, 112977, 125530, 150636, 188295, 225954, 238507, 251060, 301272, 338931, 376590, 451908, 477014, 502120, 564885, 677862, 715521, 753180, 903816, 954028, 1129770, 1192535, 1355724, 1431042, 1506360, 1694655, 1908056, 2146563, 2259540, 2385070, 2711448, 2862084, 3389310, 3577605, 4293126, 4519080, 4770140, 5724168, 6439689, 6778620, 7155210, 8586252, 9540280, 10732815, 12879378, 13557240, 14310420, 17172504, 21465630, 25758756, 28620840, 32198445, 42931260, 51517512, 64396890, 85862520, 128793780, 257587560]

約数ペア:

[(1, 257587560), (2, 128793780), (3, 85862520), (4, 64396890), (5, 51517512), (6, 42931260), (8, 32198445), (9, 28620840), (10, 25758756), (12, 21465630), (15, 17172504), (18, 14310420), (19, 13557240), (20, 12879378), (24, 10732815), (27, 9540280), (30, 8586252), (36, 7155210), (38, 6778620), (40, 6439689), (45, 5724168), (54, 4770140), (57, 4519080), (60, 4293126), (72, 3577605), (76, 3389310), (90, 2862084), (95, 2711448), (108, 2385070), (114, 2259540), (120, 2146563), (135, 1908056), (152, 1694655), (171, 1506360), (180, 1431042), (190, 1355724), (216, 1192535), (228, 1129770), (270, 954028), (285, 903816), (342, 753180), (360, 715521), (380, 677862), (456, 564885), (513, 502120), (540, 477014), (570, 451908), (684, 376590), (760, 338931), (855, 301272), (1026, 251060), (1080, 238507), (1140, 225954), (1368, 188295), (1710, 150636), (2052, 125530), (2280, 112977), (2565, 100424), (3420, 75318), (4104, 62765), (5130, 50212), (6840, 37659), (10260, 25106), (12553, 20520)]