155500920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431947}}^1$

素因数の和:431964

約数の個数: 48

約数和(自身を含む): 505379160

約数和(自身を除く): 349878240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 431947, 863894, 1295841, 1727788, 2159735, 2591682, 3455576, 3887523, 4319470, 5183364, 6479205, 7775046, 8638940, 10366728, 12958410, 15550092, 17277880, 19437615, 25916820, 31100184, 38875230, 51833640, 77750460, 155500920]

約数ペア:

[(1, 155500920), (2, 77750460), (3, 51833640), (4, 38875230), (5, 31100184), (6, 25916820), (8, 19437615), (9, 17277880), (10, 15550092), (12, 12958410), (15, 10366728), (18, 8638940), (20, 7775046), (24, 6479205), (30, 5183364), (36, 4319470), (40, 3887523), (45, 3455576), (60, 2591682), (72, 2159735), (90, 1727788), (120, 1295841), (180, 863894), (360, 431947)]