156720225

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 266768640

約数和(自身を除く): 110048415

約数列:

[1, 3, 5, 15, 25, 59, 75, 107, 177, 295, 321, 331, 535, 885, 993, 1475, 1605, 1655, 2675, 4425, 4965, 6313, 8025, 8275, 18939, 19529, 24825, 31565, 35417, 58587, 94695, 97645, 106251, 157825, 177085, 292935, 473475, 488225, 531255, 885425, 1464675, 2089603, 2656275, 6268809, 10448015, 31344045, 52240075, 156720225]

約数ペア:

[(1, 156720225), (3, 52240075), (5, 31344045), (15, 10448015), (25, 6268809), (59, 2656275), (75, 2089603), (107, 1464675), (177, 885425), (295, 531255), (321, 488225), (331, 473475), (535, 292935), (885, 177085), (993, 157825), (1475, 106251), (1605, 97645), (1655, 94695), (2675, 58587), (4425, 35417), (4965, 31565), (6313, 24825), (8025, 19529), (8275, 18939)]