1555020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 4835376

約数和(自身を除く): 3280356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 163, 180, 212, 265, 318, 326, 477, 489, 530, 636, 652, 795, 815, 954, 978, 1060, 1467, 1590, 1630, 1908, 1956, 2385, 2445, 2934, 3180, 3260, 4770, 4890, 5868, 7335, 8639, 9540, 9780, 14670, 17278, 25917, 29340, 34556, 43195, 51834, 77751, 86390, 103668, 129585, 155502, 172780, 259170, 311004, 388755, 518340, 777510, 1555020]

約数ペア:

[(1, 1555020), (2, 777510), (3, 518340), (4, 388755), (5, 311004), (6, 259170), (9, 172780), (10, 155502), (12, 129585), (15, 103668), (18, 86390), (20, 77751), (30, 51834), (36, 43195), (45, 34556), (53, 29340), (60, 25917), (90, 17278), (106, 14670), (159, 9780), (163, 9540), (180, 8639), (212, 7335), (265, 5868), (318, 4890), (326, 4770), (477, 3260), (489, 3180), (530, 2934), (636, 2445), (652, 2385), (795, 1956), (815, 1908), (954, 1630), (978, 1590), (1060, 1467)]