153999990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28051}}^1$

素因数の和:28125

約数の個数: 48

約数和(自身を含む): 406978416

約数和(自身を除く): 252978426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 28051, 56102, 84153, 140255, 168306, 252459, 280510, 420765, 504918, 841530, 1262295, 1711111, 2524590, 3422222, 5133333, 8555555, 10266666, 15399999, 17111110, 25666665, 30799998, 51333330, 76999995, 153999990]

約数ペア:

[(1, 153999990), (2, 76999995), (3, 51333330), (5, 30799998), (6, 25666665), (9, 17111110), (10, 15399999), (15, 10266666), (18, 8555555), (30, 5133333), (45, 3422222), (61, 2524590), (90, 1711111), (122, 1262295), (183, 841530), (305, 504918), (366, 420765), (549, 280510), (610, 252459), (915, 168306), (1098, 140255), (1830, 84153), (2745, 56102), (5490, 28051)]