256540677480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{89513}}^1$

素因数の和:89968

約数の個数: 192

約数和(自身を含む): 879743592000

約数和(自身を除く): 623202914520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 419, 456, 570, 684, 760, 838, 855, 1140, 1257, 1368, 1676, 1710, 2095, 2280, 2514, 3352, 3420, 3771, 4190, 5028, 6285, 6840, 7542, 7961, 8380, 10056, 12570, 15084, 15922, 16760, 18855, 23883, 25140, 30168, 31844, 37710, 39805, 47766, 50280, 63688, 71649, 75420, 79610, 89513, 95532, 119415, 143298, 150840, 159220, 179026, 191064, 238830, 268539, 286596, 318440, 358052, 358245, 447565, 477660, 537078, 573192, 716104, 716490, 805617, 895130, 955320, 1074156, 1342695, 1432980, 1611234, 1700747, 1790260, 2148312, 2685390, 2865960, 3222468, 3401494, 3580520, 4028085, 5102241, 5370780, 6444936, 6802988, 8056170, 8503735, 10204482, 10741560, 13605976, 15306723, 16112340, 17007470, 20408964, 25511205, 30613446, 32224680, 34014940, 37505947, 40817928, 51022410, 61226892, 68029880, 75011894, 76533615, 102044820, 112517841, 122453784, 150023788, 153067230, 187529735, 204089640, 225035682, 300047576, 306134460, 337553523, 375059470, 450071364, 562589205, 612268920, 675107046, 712612993, 750118940, 900142728, 1125178410, 1350214092, 1425225986, 1500237880, 1687767615, 2137838979, 2250356820, 2700428184, 2850451972, 3375535230, 3563064965, 4275677958, 4500713640, 5700903944, 6413516937, 6751070460, 7126129930, 8551355916, 10689194895, 12827033874, 13502140920, 14252259860, 17102711832, 21378389790, 25654067748, 28504519720, 32067584685, 42756779580, 51308135496, 64135169370, 85513559160, 128270338740, 256540677480]

約数ペア:

[(1, 256540677480), (2, 128270338740), (3, 85513559160), (4, 64135169370), (5, 51308135496), (6, 42756779580), (8, 32067584685), (9, 28504519720), (10, 25654067748), (12, 21378389790), (15, 17102711832), (18, 14252259860), (19, 13502140920), (20, 12827033874), (24, 10689194895), (30, 8551355916), (36, 7126129930), (38, 6751070460), (40, 6413516937), (45, 5700903944), (57, 4500713640), (60, 4275677958), (72, 3563064965), (76, 3375535230), (90, 2850451972), (95, 2700428184), (114, 2250356820), (120, 2137838979), (152, 1687767615), (171, 1500237880), (180, 1425225986), (190, 1350214092), (228, 1125178410), (285, 900142728), (342, 750118940), (360, 712612993), (380, 675107046), (419, 612268920), (456, 562589205), (570, 450071364), (684, 375059470), (760, 337553523), (838, 306134460), (855, 300047576), (1140, 225035682), (1257, 204089640), (1368, 187529735), (1676, 153067230), (1710, 150023788), (2095, 122453784), (2280, 112517841), (2514, 102044820), (3352, 76533615), (3420, 75011894), (3771, 68029880), (4190, 61226892), (5028, 51022410), (6285, 40817928), (6840, 37505947), (7542, 34014940), (7961, 32224680), (8380, 30613446), (10056, 25511205), (12570, 20408964), (15084, 17007470), (15922, 16112340), (16760, 15306723), (18855, 13605976), (23883, 10741560), (25140, 10204482), (30168, 8503735), (31844, 8056170), (37710, 6802988), (39805, 6444936), (47766, 5370780), (50280, 5102241), (63688, 4028085), (71649, 3580520), (75420, 3401494), (79610, 3222468), (89513, 2865960), (95532, 2685390), (119415, 2148312), (143298, 1790260), (150840, 1700747), (159220, 1611234), (179026, 1432980), (191064, 1342695), (238830, 1074156), (268539, 955320), (286596, 895130), (318440, 805617), (358052, 716490), (358245, 716104), (447565, 573192), (477660, 537078)]