16880492440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1\times {\mathrm{827}}^1$

素因数の和:1385

約数の個数: 128

約数和(自身を含む): 43781990400

約数和(自身を除く): 26901497960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 271, 280, 538, 542, 827, 1076, 1084, 1345, 1355, 1654, 1883, 1897, 2152, 2168, 2690, 2710, 3308, 3766, 3794, 4135, 5380, 5420, 5789, 6616, 7532, 7588, 8270, 9415, 9485, 10760, 10840, 11578, 15064, 15176, 16540, 18830, 18970, 23156, 28945, 33080, 37660, 37940, 46312, 57890, 72899, 75320, 75880, 115780, 145798, 222463, 224117, 231560, 291596, 364495, 444926, 448234, 510293, 583192, 728990, 889852, 896468, 1020586, 1112315, 1120585, 1457980, 1557241, 1568819, 1779704, 1792936, 2041172, 2224630, 2241170, 2551465, 2915960, 3114482, 3137638, 4082344, 4449260, 4482340, 5102930, 6228964, 6275276, 7786205, 7844095, 8898520, 8964680, 10205860, 12457928, 12550552, 15572410, 15688190, 20411720, 31144820, 31376380, 60287473, 62289640, 62752760, 120574946, 241149892, 301437365, 422012311, 482299784, 602874730, 844024622, 1205749460, 1688049244, 2110061555, 2411498920, 3376098488, 4220123110, 8440246220, 16880492440]

約数ペア:

[(1, 16880492440), (2, 8440246220), (4, 4220123110), (5, 3376098488), (7, 2411498920), (8, 2110061555), (10, 1688049244), (14, 1205749460), (20, 844024622), (28, 602874730), (35, 482299784), (40, 422012311), (56, 301437365), (70, 241149892), (140, 120574946), (269, 62752760), (271, 62289640), (280, 60287473), (538, 31376380), (542, 31144820), (827, 20411720), (1076, 15688190), (1084, 15572410), (1345, 12550552), (1355, 12457928), (1654, 10205860), (1883, 8964680), (1897, 8898520), (2152, 7844095), (2168, 7786205), (2690, 6275276), (2710, 6228964), (3308, 5102930), (3766, 4482340), (3794, 4449260), (4135, 4082344), (5380, 3137638), (5420, 3114482), (5789, 2915960), (6616, 2551465), (7532, 2241170), (7588, 2224630), (8270, 2041172), (9415, 1792936), (9485, 1779704), (10760, 1568819), (10840, 1557241), (11578, 1457980), (15064, 1120585), (15176, 1112315), (16540, 1020586), (18830, 896468), (18970, 889852), (23156, 728990), (28945, 583192), (33080, 510293), (37660, 448234), (37940, 444926), (46312, 364495), (57890, 291596), (72899, 231560), (75320, 224117), (75880, 222463), (115780, 145798)]