9927180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 30414384

約数和(自身を除く): 20487204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 421, 524, 655, 786, 842, 1179, 1263, 1310, 1572, 1684, 1965, 2105, 2358, 2526, 2620, 3789, 3930, 4210, 4716, 5052, 5895, 6315, 7578, 7860, 8420, 11790, 12630, 15156, 18945, 23580, 25260, 37890, 55151, 75780, 110302, 165453, 220604, 275755, 330906, 496359, 551510, 661812, 827265, 992718, 1103020, 1654530, 1985436, 2481795, 3309060, 4963590, 9927180]

約数ペア:

[(1, 9927180), (2, 4963590), (3, 3309060), (4, 2481795), (5, 1985436), (6, 1654530), (9, 1103020), (10, 992718), (12, 827265), (15, 661812), (18, 551510), (20, 496359), (30, 330906), (36, 275755), (45, 220604), (60, 165453), (90, 110302), (131, 75780), (180, 55151), (262, 37890), (393, 25260), (421, 23580), (524, 18945), (655, 15156), (786, 12630), (842, 11790), (1179, 8420), (1263, 7860), (1310, 7578), (1572, 6315), (1684, 5895), (1965, 5052), (2105, 4716), (2358, 4210), (2526, 3930), (2620, 3789)]