49789980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1697}}^1$

素因数の和:1875

約数の個数: 72

約数和(自身を含む): 152045712

約数和(自身を除く): 102255732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1697, 1956, 2445, 2934, 3260, 3394, 4890, 5091, 5868, 6788, 7335, 8485, 9780, 10182, 14670, 15273, 16970, 20364, 25455, 29340, 30546, 33940, 50910, 61092, 76365, 101820, 152730, 276611, 305460, 553222, 829833, 1106444, 1383055, 1659666, 2489499, 2766110, 3319332, 4149165, 4978998, 5532220, 8298330, 9957996, 12447495, 16596660, 24894990, 49789980]

約数ペア:

[(1, 49789980), (2, 24894990), (3, 16596660), (4, 12447495), (5, 9957996), (6, 8298330), (9, 5532220), (10, 4978998), (12, 4149165), (15, 3319332), (18, 2766110), (20, 2489499), (30, 1659666), (36, 1383055), (45, 1106444), (60, 829833), (90, 553222), (163, 305460), (180, 276611), (326, 152730), (489, 101820), (652, 76365), (815, 61092), (978, 50910), (1467, 33940), (1630, 30546), (1697, 29340), (1956, 25455), (2445, 20364), (2934, 16970), (3260, 15273), (3394, 14670), (4890, 10182), (5091, 9780), (5868, 8485), (6788, 7335)]