1388865960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8191}}^1$

素因数の和:8368

約数の個数: 128

約数和(自身を含む): 4659609600

約数和(自身を除く): 3270743640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 157, 180, 216, 270, 314, 360, 471, 540, 628, 785, 942, 1080, 1256, 1413, 1570, 1884, 2355, 2826, 3140, 3768, 4239, 4710, 5652, 6280, 7065, 8191, 8478, 9420, 11304, 14130, 16382, 16956, 18840, 21195, 24573, 28260, 32764, 33912, 40955, 42390, 49146, 56520, 65528, 73719, 81910, 84780, 98292, 122865, 147438, 163820, 169560, 196584, 221157, 245730, 294876, 327640, 368595, 442314, 491460, 589752, 737190, 884628, 982920, 1105785, 1285987, 1474380, 1769256, 2211570, 2571974, 2948760, 3857961, 4423140, 5143948, 6429935, 7715922, 8846280, 10287896, 11573883, 12859870, 15431844, 19289805, 23147766, 25719740, 30863688, 34721649, 38579610, 46295532, 51439480, 57869415, 69443298, 77159220, 92591064, 115738830, 138886596, 154318440, 173608245, 231477660, 277773192, 347216490, 462955320, 694432980, 1388865960]

約数ペア:

[(1, 1388865960), (2, 694432980), (3, 462955320), (4, 347216490), (5, 277773192), (6, 231477660), (8, 173608245), (9, 154318440), (10, 138886596), (12, 115738830), (15, 92591064), (18, 77159220), (20, 69443298), (24, 57869415), (27, 51439480), (30, 46295532), (36, 38579610), (40, 34721649), (45, 30863688), (54, 25719740), (60, 23147766), (72, 19289805), (90, 15431844), (108, 12859870), (120, 11573883), (135, 10287896), (157, 8846280), (180, 7715922), (216, 6429935), (270, 5143948), (314, 4423140), (360, 3857961), (471, 2948760), (540, 2571974), (628, 2211570), (785, 1769256), (942, 1474380), (1080, 1285987), (1256, 1105785), (1413, 982920), (1570, 884628), (1884, 737190), (2355, 589752), (2826, 491460), (3140, 442314), (3768, 368595), (4239, 327640), (4710, 294876), (5652, 245730), (6280, 221157), (7065, 196584), (8191, 169560), (8478, 163820), (9420, 147438), (11304, 122865), (14130, 98292), (16382, 84780), (16956, 81910), (18840, 73719), (21195, 65528), (24573, 56520), (28260, 49146), (32764, 42390), (33912, 40955)]