278871120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 320

約数和(自身を含む): 1067431680

約数和(自身を除く): 788560560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 97, 99, 108, 110, 120, 121, 132, 135, 144, 165, 176, 180, 194, 198, 216, 220, 240, 242, 264, 270, 291, 297, 330, 360, 363, 388, 396, 432, 440, 484, 485, 495, 528, 540, 582, 594, 605, 660, 720, 726, 776, 792, 873, 880, 968, 970, 990, 1067, 1080, 1089, 1164, 1188, 1210, 1320, 1331, 1452, 1455, 1485, 1552, 1584, 1746, 1815, 1936, 1940, 1980, 2134, 2160, 2178, 2328, 2376, 2420, 2619, 2640, 2662, 2904, 2910, 2970, 3201, 3267, 3492, 3630, 3880, 3960, 3993, 4268, 4356, 4365, 4656, 4752, 4840, 5238, 5324, 5335, 5445, 5808, 5820, 5940, 6402, 6534, 6655, 6984, 7260, 7760, 7920, 7986, 8536, 8712, 8730, 9603, 9680, 10476, 10648, 10670, 10890, 11640, 11737, 11880, 11979, 12804, 13068, 13095, 13310, 13968, 14520, 15972, 16005, 16335, 17072, 17424, 17460, 19206, 19965, 20952, 21296, 21340, 21780, 23280, 23474, 23760, 23958, 25608, 26136, 26190, 26620, 28809, 29040, 31944, 32010, 32670, 34920, 35211, 35937, 38412, 39930, 41904, 42680, 43560, 46948, 47916, 48015, 51216, 52272, 52380, 53240, 57618, 58685, 59895, 63888, 64020, 65340, 69840, 70422, 71874, 76824, 79860, 85360, 87120, 93896, 95832, 96030, 104760, 105633, 106480, 115236, 117370, 119790, 128040, 129107, 130680, 140844, 143748, 144045, 153648, 159720, 176055, 179685, 187792, 191664, 192060, 209520, 211266, 230472, 234740, 239580, 256080, 258214, 261360, 281688, 287496, 288090, 316899, 319440, 352110, 359370, 384120, 387321, 422532, 460944, 469480, 479160, 516428, 528165, 563376, 574992, 576180, 633798, 645535, 704220, 718740, 768240, 774642, 845064, 938960, 958320, 1032856, 1056330, 1152360, 1161963, 1267596, 1291070, 1408440, 1437480, 1549284, 1584495, 1690128, 1936605, 2065712, 2112660, 2304720, 2323926, 2535192, 2582140, 2816880, 2874960, 3098568, 3168990, 3485889, 3873210, 4225320, 4647852, 5070384, 5164280, 5809815, 6197136, 6337980, 6971778, 7746420, 8450640, 9295704, 10328560, 11619630, 12675960, 13943556, 15492840, 17429445, 18591408, 23239260, 25351920, 27887112, 30985680, 34858890, 46478520, 55774224, 69717780, 92957040, 139435560, 278871120]

約数ペア:

[(1, 278871120), (2, 139435560), (3, 92957040), (4, 69717780), (5, 55774224), (6, 46478520), (8, 34858890), (9, 30985680), (10, 27887112), (11, 25351920), (12, 23239260), (15, 18591408), (16, 17429445), (18, 15492840), (20, 13943556), (22, 12675960), (24, 11619630), (27, 10328560), (30, 9295704), (33, 8450640), (36, 7746420), (40, 6971778), (44, 6337980), (45, 6197136), (48, 5809815), (54, 5164280), (55, 5070384), (60, 4647852), (66, 4225320), (72, 3873210), (80, 3485889), (88, 3168990), (90, 3098568), (97, 2874960), (99, 2816880), (108, 2582140), (110, 2535192), (120, 2323926), (121, 2304720), (132, 2112660), (135, 2065712), (144, 1936605), (165, 1690128), (176, 1584495), (180, 1549284), (194, 1437480), (198, 1408440), (216, 1291070), (220, 1267596), (240, 1161963), (242, 1152360), (264, 1056330), (270, 1032856), (291, 958320), (297, 938960), (330, 845064), (360, 774642), (363, 768240), (388, 718740), (396, 704220), (432, 645535), (440, 633798), (484, 576180), (485, 574992), (495, 563376), (528, 528165), (540, 516428), (582, 479160), (594, 469480), (605, 460944), (660, 422532), (720, 387321), (726, 384120), (776, 359370), (792, 352110), (873, 319440), (880, 316899), (968, 288090), (970, 287496), (990, 281688), (1067, 261360), (1080, 258214), (1089, 256080), (1164, 239580), (1188, 234740), (1210, 230472), (1320, 211266), (1331, 209520), (1452, 192060), (1455, 191664), (1485, 187792), (1552, 179685), (1584, 176055), (1746, 159720), (1815, 153648), (1936, 144045), (1940, 143748), (1980, 140844), (2134, 130680), (2160, 129107), (2178, 128040), (2328, 119790), (2376, 117370), (2420, 115236), (2619, 106480), (2640, 105633), (2662, 104760), (2904, 96030), (2910, 95832), (2970, 93896), (3201, 87120), (3267, 85360), (3492, 79860), (3630, 76824), (3880, 71874), (3960, 70422), (3993, 69840), (4268, 65340), (4356, 64020), (4365, 63888), (4656, 59895), (4752, 58685), (4840, 57618), (5238, 53240), (5324, 52380), (5335, 52272), (5445, 51216), (5808, 48015), (5820, 47916), (5940, 46948), (6402, 43560), (6534, 42680), (6655, 41904), (6984, 39930), (7260, 38412), (7760, 35937), (7920, 35211), (7986, 34920), (8536, 32670), (8712, 32010), (8730, 31944), (9603, 29040), (9680, 28809), (10476, 26620), (10648, 26190), (10670, 26136), (10890, 25608), (11640, 23958), (11737, 23760), (11880, 23474), (11979, 23280), (12804, 21780), (13068, 21340), (13095, 21296), (13310, 20952), (13968, 19965), (14520, 19206), (15972, 17460), (16005, 17424), (16335, 17072)]