216338220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{171697}}^1$

素因数の和:171719

約数の個数: 72

約数和(自身を含む): 749976864

約数和(自身を除く): 533638644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 171697, 343394, 515091, 686788, 858485, 1030182, 1201879, 1545273, 1716970, 2060364, 2403758, 2575455, 3090546, 3433940, 3605637, 4807516, 5150910, 6009395, 6181092, 7211274, 7726365, 10301820, 10816911, 12018790, 14422548, 15452730, 18028185, 21633822, 24037580, 30905460, 36056370, 43267644, 54084555, 72112740, 108169110, 216338220]

約数ペア:

[(1, 216338220), (2, 108169110), (3, 72112740), (4, 54084555), (5, 43267644), (6, 36056370), (7, 30905460), (9, 24037580), (10, 21633822), (12, 18028185), (14, 15452730), (15, 14422548), (18, 12018790), (20, 10816911), (21, 10301820), (28, 7726365), (30, 7211274), (35, 6181092), (36, 6009395), (42, 5150910), (45, 4807516), (60, 3605637), (63, 3433940), (70, 3090546), (84, 2575455), (90, 2403758), (105, 2060364), (126, 1716970), (140, 1545273), (180, 1201879), (210, 1030182), (252, 858485), (315, 686788), (420, 515091), (630, 343394), (1260, 171697)]