18534240

素因数分解:

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

素因数の和:293

約数の個数: 144

約数和(自身を含む): 64589616

約数和(自身を除く): 46055376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 211, 240, 244, 288, 305, 360, 366, 422, 480, 488, 549, 610, 633, 720, 732, 844, 915, 976, 1055, 1098, 1220, 1266, 1440, 1464, 1688, 1830, 1899, 1952, 2110, 2196, 2440, 2532, 2745, 2928, 3165, 3376, 3660, 3798, 4220, 4392, 4880, 5064, 5490, 5856, 6330, 6752, 7320, 7596, 8440, 8784, 9495, 9760, 10128, 10980, 12660, 12871, 14640, 15192, 16880, 17568, 18990, 20256, 21960, 25320, 25742, 29280, 30384, 33760, 37980, 38613, 43920, 50640, 51484, 60768, 64355, 75960, 77226, 87840, 101280, 102968, 115839, 128710, 151920, 154452, 193065, 205936, 231678, 257420, 303840, 308904, 386130, 411872, 463356, 514840, 579195, 617808, 772260, 926712, 1029680, 1158390, 1235616, 1544520, 1853424, 2059360, 2316780, 3089040, 3706848, 4633560, 6178080, 9267120, 18534240]

約数ペア:

[(1, 18534240), (2, 9267120), (3, 6178080), (4, 4633560), (5, 3706848), (6, 3089040), (8, 2316780), (9, 2059360), (10, 1853424), (12, 1544520), (15, 1235616), (16, 1158390), (18, 1029680), (20, 926712), (24, 772260), (30, 617808), (32, 579195), (36, 514840), (40, 463356), (45, 411872), (48, 386130), (60, 308904), (61, 303840), (72, 257420), (80, 231678), (90, 205936), (96, 193065), (120, 154452), (122, 151920), (144, 128710), (160, 115839), (180, 102968), (183, 101280), (211, 87840), (240, 77226), (244, 75960), (288, 64355), (305, 60768), (360, 51484), (366, 50640), (422, 43920), (480, 38613), (488, 37980), (549, 33760), (610, 30384), (633, 29280), (720, 25742), (732, 25320), (844, 21960), (915, 20256), (976, 18990), (1055, 17568), (1098, 16880), (1220, 15192), (1266, 14640), (1440, 12871), (1464, 12660), (1688, 10980), (1830, 10128), (1899, 9760), (1952, 9495), (2110, 8784), (2196, 8440), (2440, 7596), (2532, 7320), (2745, 6752), (2928, 6330), (3165, 5856), (3376, 5490), (3660, 5064), (3798, 4880), (4220, 4392)]