287280720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 240

約数和(自身を含む): 1017030144

約数和(自身を除く): 729749424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 61, 62, 72, 80, 90, 93, 120, 122, 124, 144, 155, 180, 183, 186, 211, 240, 244, 248, 279, 305, 310, 360, 366, 372, 422, 465, 488, 496, 549, 558, 610, 620, 633, 720, 732, 744, 844, 915, 930, 976, 1055, 1098, 1116, 1220, 1240, 1266, 1395, 1464, 1488, 1688, 1830, 1860, 1891, 1899, 2110, 2196, 2232, 2440, 2480, 2532, 2745, 2790, 2928, 3165, 3376, 3660, 3720, 3782, 3798, 4220, 4392, 4464, 4880, 5064, 5490, 5580, 5673, 6330, 6541, 7320, 7440, 7564, 7596, 8440, 8784, 9455, 9495, 10128, 10980, 11160, 11346, 12660, 12871, 13082, 14640, 15128, 15192, 16880, 17019, 18910, 18990, 19623, 21960, 22320, 22692, 25320, 25742, 26164, 28365, 30256, 30384, 32705, 34038, 37820, 37980, 38613, 39246, 43920, 45384, 50640, 51484, 52328, 56730, 58869, 64355, 65410, 68076, 75640, 75960, 77226, 78492, 85095, 90768, 98115, 102968, 104656, 113460, 115839, 117738, 128710, 130820, 136152, 151280, 151920, 154452, 156984, 170190, 193065, 196230, 205936, 226920, 231678, 235476, 257420, 261640, 272304, 294345, 308904, 313968, 340380, 386130, 392460, 399001, 453840, 463356, 470952, 514840, 523280, 579195, 588690, 617808, 680760, 772260, 784920, 798002, 926712, 941904, 1029680, 1158390, 1177380, 1197003, 1361520, 1544520, 1569840, 1596004, 1853424, 1995005, 2316780, 2354760, 2394006, 3089040, 3192008, 3591009, 3990010, 4633560, 4709520, 4788012, 5985015, 6384016, 7182018, 7980020, 9267120, 9576024, 11970030, 14364036, 15960040, 17955045, 19152048, 23940060, 28728072, 31920080, 35910090, 47880120, 57456144, 71820180, 95760240, 143640360, 287280720]

約数ペア:

[(1, 287280720), (2, 143640360), (3, 95760240), (4, 71820180), (5, 57456144), (6, 47880120), (8, 35910090), (9, 31920080), (10, 28728072), (12, 23940060), (15, 19152048), (16, 17955045), (18, 15960040), (20, 14364036), (24, 11970030), (30, 9576024), (31, 9267120), (36, 7980020), (40, 7182018), (45, 6384016), (48, 5985015), (60, 4788012), (61, 4709520), (62, 4633560), (72, 3990010), (80, 3591009), (90, 3192008), (93, 3089040), (120, 2394006), (122, 2354760), (124, 2316780), (144, 1995005), (155, 1853424), (180, 1596004), (183, 1569840), (186, 1544520), (211, 1361520), (240, 1197003), (244, 1177380), (248, 1158390), (279, 1029680), (305, 941904), (310, 926712), (360, 798002), (366, 784920), (372, 772260), (422, 680760), (465, 617808), (488, 588690), (496, 579195), (549, 523280), (558, 514840), (610, 470952), (620, 463356), (633, 453840), (720, 399001), (732, 392460), (744, 386130), (844, 340380), (915, 313968), (930, 308904), (976, 294345), (1055, 272304), (1098, 261640), (1116, 257420), (1220, 235476), (1240, 231678), (1266, 226920), (1395, 205936), (1464, 196230), (1488, 193065), (1688, 170190), (1830, 156984), (1860, 154452), (1891, 151920), (1899, 151280), (2110, 136152), (2196, 130820), (2232, 128710), (2440, 117738), (2480, 115839), (2532, 113460), (2745, 104656), (2790, 102968), (2928, 98115), (3165, 90768), (3376, 85095), (3660, 78492), (3720, 77226), (3782, 75960), (3798, 75640), (4220, 68076), (4392, 65410), (4464, 64355), (4880, 58869), (5064, 56730), (5490, 52328), (5580, 51484), (5673, 50640), (6330, 45384), (6541, 43920), (7320, 39246), (7440, 38613), (7564, 37980), (7596, 37820), (8440, 34038), (8784, 32705), (9455, 30384), (9495, 30256), (10128, 28365), (10980, 26164), (11160, 25742), (11346, 25320), (12660, 22692), (12871, 22320), (13082, 21960), (14640, 19623), (15128, 18990), (15192, 18910), (16880, 17019)]