828990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 2205216

約数和(自身を除く): 1376226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 151, 183, 302, 305, 366, 453, 549, 610, 755, 906, 915, 1098, 1359, 1510, 1830, 2265, 2718, 2745, 4530, 5490, 6795, 9211, 13590, 18422, 27633, 46055, 55266, 82899, 92110, 138165, 165798, 276330, 414495, 828990]

約数ペア:

[(1, 828990), (2, 414495), (3, 276330), (5, 165798), (6, 138165), (9, 92110), (10, 82899), (15, 55266), (18, 46055), (30, 27633), (45, 18422), (61, 13590), (90, 9211), (122, 6795), (151, 5490), (183, 4530), (302, 2745), (305, 2718), (366, 2265), (453, 1830), (549, 1510), (610, 1359), (755, 1098), (906, 915)]