64869840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 240

約数和(自身を含む): 254257536

約数和(自身を除く): 189387696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 211, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 422, 427, 488, 504, 549, 560, 610, 630, 633, 720, 732, 840, 844, 854, 915, 976, 1008, 1055, 1098, 1220, 1260, 1266, 1281, 1464, 1477, 1680, 1688, 1708, 1830, 1899, 2110, 2135, 2196, 2440, 2520, 2532, 2562, 2745, 2928, 2954, 3165, 3376, 3416, 3660, 3798, 3843, 4220, 4270, 4392, 4431, 4880, 5040, 5064, 5124, 5490, 5908, 6330, 6405, 6832, 7320, 7385, 7596, 7686, 8440, 8540, 8784, 8862, 9495, 10128, 10248, 10980, 11816, 12660, 12810, 12871, 13293, 14640, 14770, 15192, 15372, 16880, 17080, 17724, 18990, 19215, 20496, 21960, 22155, 23632, 25320, 25620, 25742, 26586, 29540, 30384, 30744, 34160, 35448, 37980, 38430, 38613, 43920, 44310, 50640, 51240, 51484, 53172, 59080, 61488, 64355, 66465, 70896, 75960, 76860, 77226, 88620, 90097, 102480, 102968, 106344, 115839, 118160, 128710, 132930, 151920, 153720, 154452, 177240, 180194, 193065, 205936, 212688, 231678, 257420, 265860, 270291, 307440, 308904, 354480, 360388, 386130, 450485, 463356, 514840, 531720, 540582, 579195, 617808, 720776, 772260, 810873, 900970, 926712, 1029680, 1063440, 1081164, 1158390, 1351455, 1441552, 1544520, 1621746, 1801940, 1853424, 2162328, 2316780, 2702910, 3089040, 3243492, 3603880, 4054365, 4324656, 4633560, 5405820, 6486984, 7207760, 8108730, 9267120, 10811640, 12973968, 16217460, 21623280, 32434920, 64869840]

約数ペア:

[(1, 64869840), (2, 32434920), (3, 21623280), (4, 16217460), (5, 12973968), (6, 10811640), (7, 9267120), (8, 8108730), (9, 7207760), (10, 6486984), (12, 5405820), (14, 4633560), (15, 4324656), (16, 4054365), (18, 3603880), (20, 3243492), (21, 3089040), (24, 2702910), (28, 2316780), (30, 2162328), (35, 1853424), (36, 1801940), (40, 1621746), (42, 1544520), (45, 1441552), (48, 1351455), (56, 1158390), (60, 1081164), (61, 1063440), (63, 1029680), (70, 926712), (72, 900970), (80, 810873), (84, 772260), (90, 720776), (105, 617808), (112, 579195), (120, 540582), (122, 531720), (126, 514840), (140, 463356), (144, 450485), (168, 386130), (180, 360388), (183, 354480), (210, 308904), (211, 307440), (240, 270291), (244, 265860), (252, 257420), (280, 231678), (305, 212688), (315, 205936), (336, 193065), (360, 180194), (366, 177240), (420, 154452), (422, 153720), (427, 151920), (488, 132930), (504, 128710), (549, 118160), (560, 115839), (610, 106344), (630, 102968), (633, 102480), (720, 90097), (732, 88620), (840, 77226), (844, 76860), (854, 75960), (915, 70896), (976, 66465), (1008, 64355), (1055, 61488), (1098, 59080), (1220, 53172), (1260, 51484), (1266, 51240), (1281, 50640), (1464, 44310), (1477, 43920), (1680, 38613), (1688, 38430), (1708, 37980), (1830, 35448), (1899, 34160), (2110, 30744), (2135, 30384), (2196, 29540), (2440, 26586), (2520, 25742), (2532, 25620), (2562, 25320), (2745, 23632), (2928, 22155), (2954, 21960), (3165, 20496), (3376, 19215), (3416, 18990), (3660, 17724), (3798, 17080), (3843, 16880), (4220, 15372), (4270, 15192), (4392, 14770), (4431, 14640), (4880, 13293), (5040, 12871), (5064, 12810), (5124, 12660), (5490, 11816), (5908, 10980), (6330, 10248), (6405, 10128), (6832, 9495), (7320, 8862), (7385, 8784), (7596, 8540), (7686, 8440)]