256663680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:168

約数の個数: 384

約数和(自身を含む): 1021403520

約数和(自身を除く): 764739840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 113, 120, 128, 130, 140, 156, 160, 168, 169, 182, 192, 195, 208, 210, 224, 226, 240, 260, 273, 280, 312, 320, 336, 338, 339, 364, 384, 390, 416, 420, 448, 452, 455, 480, 507, 520, 546, 560, 565, 624, 640, 672, 676, 678, 728, 780, 791, 832, 840, 845, 896, 904, 910, 960, 1014, 1040, 1092, 1120, 1130, 1183, 1248, 1344, 1352, 1356, 1365, 1456, 1469, 1560, 1582, 1664, 1680, 1690, 1695, 1808, 1820, 1920, 2028, 2080, 2184, 2240, 2260, 2366, 2373, 2496, 2535, 2688, 2704, 2712, 2730, 2912, 2938, 3120, 3164, 3360, 3380, 3390, 3549, 3616, 3640, 3955, 4056, 4160, 4368, 4407, 4480, 4520, 4732, 4746, 4992, 5070, 5408, 5424, 5460, 5824, 5876, 5915, 6240, 6328, 6720, 6760, 6780, 7098, 7232, 7280, 7345, 7910, 8112, 8320, 8736, 8814, 9040, 9464, 9492, 10140, 10283, 10816, 10848, 10920, 11648, 11752, 11830, 11865, 12480, 12656, 13440, 13520, 13560, 14196, 14464, 14560, 14690, 15820, 16224, 17472, 17628, 17745, 18080, 18928, 18984, 19097, 20280, 20566, 21632, 21696, 21840, 22035, 23504, 23660, 23730, 24960, 25312, 27040, 27120, 28392, 29120, 29380, 30849, 31640, 32448, 34944, 35256, 35490, 36160, 37856, 37968, 38194, 40560, 41132, 43392, 43680, 44070, 47008, 47320, 47460, 50624, 51415, 54080, 54240, 56784, 57291, 58240, 58760, 61698, 63280, 64896, 70512, 70980, 72320, 75712, 75936, 76388, 81120, 82264, 87360, 88140, 94016, 94640, 94920, 95485, 101248, 102830, 108160, 108480, 113568, 114582, 117520, 123396, 126560, 133679, 141024, 141960, 151424, 151872, 152776, 154245, 162240, 164528, 174720, 176280, 188032, 189280, 189840, 190970, 205660, 216960, 227136, 229164, 235040, 246792, 253120, 267358, 282048, 283920, 286455, 303744, 305552, 308490, 324480, 329056, 352560, 378560, 379680, 381940, 401037, 411320, 454272, 458328, 470080, 493584, 506240, 534716, 564096, 567840, 572910, 611104, 616980, 658112, 668395, 705120, 757120, 759360, 763880, 802074, 822640, 916656, 940160, 987168, 1069432, 1135680, 1145820, 1222208, 1233960, 1316224, 1336790, 1410240, 1518720, 1527760, 1604148, 1645280, 1833312, 1974336, 2005185, 2138864, 2271360, 2291640, 2444416, 2467920, 2673580, 2820480, 3055520, 3208296, 3290560, 3666624, 3948672, 4010370, 4277728, 4583280, 4935840, 5347160, 6111040, 6416592, 6581120, 7333248, 8020740, 8555456, 9166560, 9871680, 10694320, 12222080, 12833184, 16041480, 17110912, 18333120, 19743360, 21388640, 25666368, 32082960, 36666240, 42777280, 51332736, 64165920, 85554560, 128331840, 256663680]

約数ペア:

[(1, 256663680), (2, 128331840), (3, 85554560), (4, 64165920), (5, 51332736), (6, 42777280), (7, 36666240), (8, 32082960), (10, 25666368), (12, 21388640), (13, 19743360), (14, 18333120), (15, 17110912), (16, 16041480), (20, 12833184), (21, 12222080), (24, 10694320), (26, 9871680), (28, 9166560), (30, 8555456), (32, 8020740), (35, 7333248), (39, 6581120), (40, 6416592), (42, 6111040), (48, 5347160), (52, 4935840), (56, 4583280), (60, 4277728), (64, 4010370), (65, 3948672), (70, 3666624), (78, 3290560), (80, 3208296), (84, 3055520), (91, 2820480), (96, 2673580), (104, 2467920), (105, 2444416), (112, 2291640), (113, 2271360), (120, 2138864), (128, 2005185), (130, 1974336), (140, 1833312), (156, 1645280), (160, 1604148), (168, 1527760), (169, 1518720), (182, 1410240), (192, 1336790), (195, 1316224), (208, 1233960), (210, 1222208), (224, 1145820), (226, 1135680), (240, 1069432), (260, 987168), (273, 940160), (280, 916656), (312, 822640), (320, 802074), (336, 763880), (338, 759360), (339, 757120), (364, 705120), (384, 668395), (390, 658112), (416, 616980), (420, 611104), (448, 572910), (452, 567840), (455, 564096), (480, 534716), (507, 506240), (520, 493584), (546, 470080), (560, 458328), (565, 454272), (624, 411320), (640, 401037), (672, 381940), (676, 379680), (678, 378560), (728, 352560), (780, 329056), (791, 324480), (832, 308490), (840, 305552), (845, 303744), (896, 286455), (904, 283920), (910, 282048), (960, 267358), (1014, 253120), (1040, 246792), (1092, 235040), (1120, 229164), (1130, 227136), (1183, 216960), (1248, 205660), (1344, 190970), (1352, 189840), (1356, 189280), (1365, 188032), (1456, 176280), (1469, 174720), (1560, 164528), (1582, 162240), (1664, 154245), (1680, 152776), (1690, 151872), (1695, 151424), (1808, 141960), (1820, 141024), (1920, 133679), (2028, 126560), (2080, 123396), (2184, 117520), (2240, 114582), (2260, 113568), (2366, 108480), (2373, 108160), (2496, 102830), (2535, 101248), (2688, 95485), (2704, 94920), (2712, 94640), (2730, 94016), (2912, 88140), (2938, 87360), (3120, 82264), (3164, 81120), (3360, 76388), (3380, 75936), (3390, 75712), (3549, 72320), (3616, 70980), (3640, 70512), (3955, 64896), (4056, 63280), (4160, 61698), (4368, 58760), (4407, 58240), (4480, 57291), (4520, 56784), (4732, 54240), (4746, 54080), (4992, 51415), (5070, 50624), (5408, 47460), (5424, 47320), (5460, 47008), (5824, 44070), (5876, 43680), (5915, 43392), (6240, 41132), (6328, 40560), (6720, 38194), (6760, 37968), (6780, 37856), (7098, 36160), (7232, 35490), (7280, 35256), (7345, 34944), (7910, 32448), (8112, 31640), (8320, 30849), (8736, 29380), (8814, 29120), (9040, 28392), (9464, 27120), (9492, 27040), (10140, 25312), (10283, 24960), (10816, 23730), (10848, 23660), (10920, 23504), (11648, 22035), (11752, 21840), (11830, 21696), (11865, 21632), (12480, 20566), (12656, 20280), (13440, 19097), (13520, 18984), (13560, 18928), (14196, 18080), (14464, 17745), (14560, 17628), (14690, 17472), (15820, 16224)]