81963504

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 240

約数和(自身を含む): 281442304

約数和(自身を除く): 199478800

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 43, 48, 56, 61, 62, 63, 72, 84, 86, 93, 112, 122, 124, 126, 129, 144, 168, 172, 183, 186, 217, 244, 248, 252, 258, 279, 301, 336, 344, 366, 372, 387, 427, 434, 488, 496, 504, 516, 549, 558, 602, 651, 688, 732, 744, 774, 854, 868, 903, 976, 1008, 1032, 1098, 1116, 1204, 1281, 1302, 1333, 1464, 1488, 1548, 1708, 1736, 1806, 1891, 1953, 2064, 2196, 2232, 2408, 2562, 2604, 2623, 2666, 2709, 2928, 3096, 3416, 3472, 3612, 3782, 3843, 3906, 3999, 4392, 4464, 4816, 5124, 5208, 5246, 5332, 5418, 5673, 6192, 6832, 7224, 7564, 7686, 7812, 7869, 7998, 8784, 9331, 10248, 10416, 10492, 10664, 10836, 11346, 11997, 13237, 14448, 15128, 15372, 15624, 15738, 15996, 17019, 18361, 18662, 20496, 20984, 21328, 21672, 22692, 23607, 23994, 26474, 27993, 30256, 30744, 31248, 31476, 31992, 34038, 36722, 37324, 39711, 41968, 43344, 45384, 47214, 47988, 52948, 55083, 55986, 61488, 62952, 63984, 68076, 73444, 74648, 79422, 81313, 83979, 90768, 94428, 95976, 105896, 110166, 111972, 119133, 125904, 136152, 146888, 149296, 158844, 162626, 165249, 167958, 188856, 191952, 211792, 220332, 223944, 238266, 243939, 272304, 293776, 317688, 325252, 330498, 335916, 377712, 440664, 447888, 476532, 487878, 569191, 635376, 650504, 660996, 671832, 731817, 881328, 953064, 975756, 1138382, 1301008, 1321992, 1343664, 1463634, 1707573, 1906128, 1951512, 2276764, 2643984, 2927268, 3415146, 3903024, 4553528, 5122719, 5854536, 6830292, 9107056, 10245438, 11709072, 13660584, 20490876, 27321168, 40981752, 81963504]

約数ペア:

[(1, 81963504), (2, 40981752), (3, 27321168), (4, 20490876), (6, 13660584), (7, 11709072), (8, 10245438), (9, 9107056), (12, 6830292), (14, 5854536), (16, 5122719), (18, 4553528), (21, 3903024), (24, 3415146), (28, 2927268), (31, 2643984), (36, 2276764), (42, 1951512), (43, 1906128), (48, 1707573), (56, 1463634), (61, 1343664), (62, 1321992), (63, 1301008), (72, 1138382), (84, 975756), (86, 953064), (93, 881328), (112, 731817), (122, 671832), (124, 660996), (126, 650504), (129, 635376), (144, 569191), (168, 487878), (172, 476532), (183, 447888), (186, 440664), (217, 377712), (244, 335916), (248, 330498), (252, 325252), (258, 317688), (279, 293776), (301, 272304), (336, 243939), (344, 238266), (366, 223944), (372, 220332), (387, 211792), (427, 191952), (434, 188856), (488, 167958), (496, 165249), (504, 162626), (516, 158844), (549, 149296), (558, 146888), (602, 136152), (651, 125904), (688, 119133), (732, 111972), (744, 110166), (774, 105896), (854, 95976), (868, 94428), (903, 90768), (976, 83979), (1008, 81313), (1032, 79422), (1098, 74648), (1116, 73444), (1204, 68076), (1281, 63984), (1302, 62952), (1333, 61488), (1464, 55986), (1488, 55083), (1548, 52948), (1708, 47988), (1736, 47214), (1806, 45384), (1891, 43344), (1953, 41968), (2064, 39711), (2196, 37324), (2232, 36722), (2408, 34038), (2562, 31992), (2604, 31476), (2623, 31248), (2666, 30744), (2709, 30256), (2928, 27993), (3096, 26474), (3416, 23994), (3472, 23607), (3612, 22692), (3782, 21672), (3843, 21328), (3906, 20984), (3999, 20496), (4392, 18662), (4464, 18361), (4816, 17019), (5124, 15996), (5208, 15738), (5246, 15624), (5332, 15372), (5418, 15128), (5673, 14448), (6192, 13237), (6832, 11997), (7224, 11346), (7564, 10836), (7686, 10664), (7812, 10492), (7869, 10416), (7998, 10248), (8784, 9331)]