123270280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 326165400

約数和(自身を除く): 202895120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 109, 140, 196, 218, 245, 280, 392, 436, 490, 545, 577, 763, 872, 980, 1090, 1154, 1526, 1960, 2180, 2308, 2885, 3052, 3815, 4039, 4360, 4616, 5341, 5770, 6104, 7630, 8078, 10682, 11540, 15260, 16156, 20195, 21364, 23080, 26705, 28273, 30520, 32312, 40390, 42728, 53410, 56546, 62893, 80780, 106820, 113092, 125786, 141365, 161560, 213640, 226184, 251572, 282730, 314465, 440251, 503144, 565460, 628930, 880502, 1130920, 1257860, 1761004, 2201255, 2515720, 3081757, 3522008, 4402510, 6163514, 8805020, 12327028, 15408785, 17610040, 24654056, 30817570, 61635140, 123270280]

約数ペア:

[(1, 123270280), (2, 61635140), (4, 30817570), (5, 24654056), (7, 17610040), (8, 15408785), (10, 12327028), (14, 8805020), (20, 6163514), (28, 4402510), (35, 3522008), (40, 3081757), (49, 2515720), (56, 2201255), (70, 1761004), (98, 1257860), (109, 1130920), (140, 880502), (196, 628930), (218, 565460), (245, 503144), (280, 440251), (392, 314465), (436, 282730), (490, 251572), (545, 226184), (577, 213640), (763, 161560), (872, 141365), (980, 125786), (1090, 113092), (1154, 106820), (1526, 80780), (1960, 62893), (2180, 56546), (2308, 53410), (2885, 42728), (3052, 40390), (3815, 32312), (4039, 30520), (4360, 28273), (4616, 26705), (5341, 23080), (5770, 21364), (6104, 20195), (7630, 16156), (8078, 15260), (10682, 11540)]