123458040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1546

約数の個数: 128

約数和(自身を含む): 417024000

約数和(自身を除く): 293565960

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, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 790, 948, 1080, 1185, 1422, 1447, 1580, 1896, 2133, 2370, 2844, 2894, 3160, 3555, 4266, 4341, 4740, 5688, 5788, 7110, 7235, 8532, 8682, 9480, 10665, 11576, 13023, 14220, 14470, 17064, 17364, 21330, 21705, 26046, 28440, 28940, 34728, 39069, 42660, 43410, 52092, 57880, 65115, 78138, 85320, 86820, 104184, 114313, 130230, 156276, 173640, 195345, 228626, 260460, 312552, 342939, 390690, 457252, 520920, 571565, 685878, 781380, 914504, 1028817, 1143130, 1371756, 1562760, 1714695, 2057634, 2286260, 2743512, 3086451, 3429390, 4115268, 4572520, 5144085, 6172902, 6858780, 8230536, 10288170, 12345804, 13717560, 15432255, 20576340, 24691608, 30864510, 41152680, 61729020, 123458040]

約数ペア:

[(1, 123458040), (2, 61729020), (3, 41152680), (4, 30864510), (5, 24691608), (6, 20576340), (8, 15432255), (9, 13717560), (10, 12345804), (12, 10288170), (15, 8230536), (18, 6858780), (20, 6172902), (24, 5144085), (27, 4572520), (30, 4115268), (36, 3429390), (40, 3086451), (45, 2743512), (54, 2286260), (60, 2057634), (72, 1714695), (79, 1562760), (90, 1371756), (108, 1143130), (120, 1028817), (135, 914504), (158, 781380), (180, 685878), (216, 571565), (237, 520920), (270, 457252), (316, 390690), (360, 342939), (395, 312552), (474, 260460), (540, 228626), (632, 195345), (711, 173640), (790, 156276), (948, 130230), (1080, 114313), (1185, 104184), (1422, 86820), (1447, 85320), (1580, 78138), (1896, 65115), (2133, 57880), (2370, 52092), (2844, 43410), (2894, 42660), (3160, 39069), (3555, 34728), (4266, 28940), (4341, 28440), (4740, 26046), (5688, 21705), (5788, 21330), (7110, 17364), (7235, 17064), (8532, 14470), (8682, 14220), (9480, 13023), (10665, 11576)]