381371520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1429}}^1$

素因数の和:1590

約数の個数: 128

約数和(自身を含む): 1225224000

約数和(自身を除く): 843852480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 278, 320, 384, 417, 480, 556, 640, 695, 834, 960, 1112, 1390, 1429, 1668, 1920, 2085, 2224, 2780, 2858, 3336, 4170, 4287, 4448, 5560, 5716, 6672, 7145, 8340, 8574, 8896, 11120, 11432, 13344, 14290, 16680, 17148, 17792, 21435, 22240, 22864, 26688, 28580, 33360, 34296, 42870, 44480, 45728, 53376, 57160, 66720, 68592, 85740, 88960, 91456, 114320, 133440, 137184, 171480, 182912, 198631, 228640, 266880, 274368, 342960, 397262, 457280, 548736, 595893, 685920, 794524, 914560, 993155, 1191786, 1371840, 1589048, 1986310, 2383572, 2743680, 2979465, 3178096, 3972620, 4767144, 5958930, 6356192, 7945240, 9534288, 11917860, 12712384, 15890480, 19068576, 23835720, 25424768, 31780960, 38137152, 47671440, 63561920, 76274304, 95342880, 127123840, 190685760, 381371520]

約数ペア:

[(1, 381371520), (2, 190685760), (3, 127123840), (4, 95342880), (5, 76274304), (6, 63561920), (8, 47671440), (10, 38137152), (12, 31780960), (15, 25424768), (16, 23835720), (20, 19068576), (24, 15890480), (30, 12712384), (32, 11917860), (40, 9534288), (48, 7945240), (60, 6356192), (64, 5958930), (80, 4767144), (96, 3972620), (120, 3178096), (128, 2979465), (139, 2743680), (160, 2383572), (192, 1986310), (240, 1589048), (278, 1371840), (320, 1191786), (384, 993155), (417, 914560), (480, 794524), (556, 685920), (640, 595893), (695, 548736), (834, 457280), (960, 397262), (1112, 342960), (1390, 274368), (1429, 266880), (1668, 228640), (1920, 198631), (2085, 182912), (2224, 171480), (2780, 137184), (2858, 133440), (3336, 114320), (4170, 91456), (4287, 88960), (4448, 85740), (5560, 68592), (5716, 66720), (6672, 57160), (7145, 53376), (8340, 45728), (8574, 44480), (8896, 42870), (11120, 34296), (11432, 33360), (13344, 28580), (14290, 26688), (16680, 22864), (17148, 22240), (17792, 21435)]