278112780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 288

約数和(自身を含む): 996323328

約数和(自身を除く): 718210548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 31, 33, 36, 44, 45, 46, 55, 60, 62, 66, 69, 90, 92, 93, 99, 110, 115, 124, 132, 138, 155, 165, 180, 186, 197, 198, 207, 220, 230, 253, 276, 279, 310, 330, 341, 345, 372, 394, 396, 414, 460, 465, 495, 506, 558, 591, 620, 660, 682, 690, 713, 759, 788, 828, 930, 985, 990, 1012, 1023, 1035, 1116, 1182, 1265, 1364, 1380, 1395, 1426, 1518, 1705, 1773, 1860, 1970, 1980, 2046, 2070, 2139, 2167, 2277, 2364, 2530, 2790, 2852, 2955, 3036, 3069, 3410, 3546, 3565, 3795, 3940, 4092, 4140, 4278, 4334, 4531, 4554, 5060, 5115, 5580, 5910, 6107, 6138, 6417, 6501, 6820, 7092, 7130, 7590, 7843, 8556, 8668, 8865, 9062, 9108, 10230, 10695, 10835, 11385, 11820, 12214, 12276, 12834, 13002, 13593, 14260, 15180, 15345, 15686, 17730, 18124, 18321, 19503, 20460, 21390, 21670, 22655, 22770, 23529, 24428, 25668, 26004, 27186, 30535, 30690, 31372, 32085, 32505, 35460, 36642, 39006, 39215, 40779, 42780, 43340, 45310, 45540, 47058, 49841, 54372, 54963, 61070, 61380, 64170, 65010, 67177, 67965, 70587, 73284, 78012, 78430, 81558, 90620, 91605, 94116, 97515, 99682, 109926, 117645, 122140, 128340, 130020, 134354, 135930, 140461, 141174, 149523, 156860, 163116, 183210, 195030, 199364, 201531, 203895, 219852, 235290, 249205, 268708, 271860, 274815, 280922, 282348, 299046, 335885, 352935, 366420, 390060, 403062, 407790, 421383, 448569, 470580, 498410, 549630, 561844, 598092, 604593, 671770, 702305, 705870, 747615, 806124, 815580, 842766, 897138, 996820, 1007655, 1099260, 1209186, 1264149, 1343540, 1404610, 1411740, 1495230, 1545071, 1685532, 1794276, 2015310, 2106915, 2242845, 2418372, 2528298, 2809220, 2990460, 3022965, 3090142, 4030620, 4213830, 4485690, 4635213, 5056596, 6045930, 6180284, 6320745, 7725355, 8427660, 8971380, 9270426, 12091860, 12641490, 13905639, 15450710, 18540852, 23176065, 25282980, 27811278, 30901420, 46352130, 55622556, 69528195, 92704260, 139056390, 278112780]

約数ペア:

[(1, 278112780), (2, 139056390), (3, 92704260), (4, 69528195), (5, 55622556), (6, 46352130), (9, 30901420), (10, 27811278), (11, 25282980), (12, 23176065), (15, 18540852), (18, 15450710), (20, 13905639), (22, 12641490), (23, 12091860), (30, 9270426), (31, 8971380), (33, 8427660), (36, 7725355), (44, 6320745), (45, 6180284), (46, 6045930), (55, 5056596), (60, 4635213), (62, 4485690), (66, 4213830), (69, 4030620), (90, 3090142), (92, 3022965), (93, 2990460), (99, 2809220), (110, 2528298), (115, 2418372), (124, 2242845), (132, 2106915), (138, 2015310), (155, 1794276), (165, 1685532), (180, 1545071), (186, 1495230), (197, 1411740), (198, 1404610), (207, 1343540), (220, 1264149), (230, 1209186), (253, 1099260), (276, 1007655), (279, 996820), (310, 897138), (330, 842766), (341, 815580), (345, 806124), (372, 747615), (394, 705870), (396, 702305), (414, 671770), (460, 604593), (465, 598092), (495, 561844), (506, 549630), (558, 498410), (591, 470580), (620, 448569), (660, 421383), (682, 407790), (690, 403062), (713, 390060), (759, 366420), (788, 352935), (828, 335885), (930, 299046), (985, 282348), (990, 280922), (1012, 274815), (1023, 271860), (1035, 268708), (1116, 249205), (1182, 235290), (1265, 219852), (1364, 203895), (1380, 201531), (1395, 199364), (1426, 195030), (1518, 183210), (1705, 163116), (1773, 156860), (1860, 149523), (1970, 141174), (1980, 140461), (2046, 135930), (2070, 134354), (2139, 130020), (2167, 128340), (2277, 122140), (2364, 117645), (2530, 109926), (2790, 99682), (2852, 97515), (2955, 94116), (3036, 91605), (3069, 90620), (3410, 81558), (3546, 78430), (3565, 78012), (3795, 73284), (3940, 70587), (4092, 67965), (4140, 67177), (4278, 65010), (4334, 64170), (4531, 61380), (4554, 61070), (5060, 54963), (5115, 54372), (5580, 49841), (5910, 47058), (6107, 45540), (6138, 45310), (6417, 43340), (6501, 42780), (6820, 40779), (7092, 39215), (7130, 39006), (7590, 36642), (7843, 35460), (8556, 32505), (8668, 32085), (8865, 31372), (9062, 30690), (9108, 30535), (10230, 27186), (10695, 26004), (10835, 25668), (11385, 24428), (11820, 23529), (12214, 22770), (12276, 22655), (12834, 21670), (13002, 21390), (13593, 20460), (14260, 19503), (15180, 18321), (15345, 18124), (15686, 17730)]