123240880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 120

約数和(自身を含む): 337143600

約数和(自身を除く): 213902720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 149, 196, 211, 245, 280, 298, 392, 422, 490, 560, 596, 745, 784, 844, 980, 1043, 1055, 1192, 1477, 1490, 1688, 1960, 2086, 2110, 2384, 2954, 2980, 3376, 3920, 4172, 4220, 5215, 5908, 5960, 7301, 7385, 8344, 8440, 10339, 10430, 11816, 11920, 14602, 14770, 16688, 16880, 20678, 20860, 23632, 29204, 29540, 31439, 36505, 41356, 41720, 51695, 58408, 59080, 62878, 73010, 82712, 83440, 103390, 116816, 118160, 125756, 146020, 157195, 165424, 206780, 220073, 251512, 292040, 314390, 413560, 440146, 503024, 584080, 628780, 827120, 880292, 1100365, 1257560, 1540511, 1760584, 2200730, 2515120, 3081022, 3521168, 4401460, 6162044, 7702555, 8802920, 12324088, 15405110, 17605840, 24648176, 30810220, 61620440, 123240880]

約数ペア:

[(1, 123240880), (2, 61620440), (4, 30810220), (5, 24648176), (7, 17605840), (8, 15405110), (10, 12324088), (14, 8802920), (16, 7702555), (20, 6162044), (28, 4401460), (35, 3521168), (40, 3081022), (49, 2515120), (56, 2200730), (70, 1760584), (80, 1540511), (98, 1257560), (112, 1100365), (140, 880292), (149, 827120), (196, 628780), (211, 584080), (245, 503024), (280, 440146), (298, 413560), (392, 314390), (422, 292040), (490, 251512), (560, 220073), (596, 206780), (745, 165424), (784, 157195), (844, 146020), (980, 125756), (1043, 118160), (1055, 116816), (1192, 103390), (1477, 83440), (1490, 82712), (1688, 73010), (1960, 62878), (2086, 59080), (2110, 58408), (2384, 51695), (2954, 41720), (2980, 41356), (3376, 36505), (3920, 31439), (4172, 29540), (4220, 29204), (5215, 23632), (5908, 20860), (5960, 20678), (7301, 16880), (7385, 16688), (8344, 14770), (8440, 14602), (10339, 11920), (10430, 11816)]