161208180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1319}}^1$

素因数の和:1438

約数の個数: 144

約数和(自身を含む): 565044480

約数和(自身を除く): 403836300

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, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 679, 873, 970, 1164, 1260, 1319, 1358, 1455, 1746, 1940, 2037, 2638, 2716, 2910, 3395, 3492, 3957, 4074, 4365, 5276, 5820, 6111, 6595, 6790, 7914, 8148, 8730, 9233, 10185, 11871, 12222, 13190, 13580, 15828, 17460, 18466, 19785, 20370, 23742, 24444, 26380, 27699, 30555, 36932, 39570, 40740, 46165, 47484, 55398, 59355, 61110, 79140, 83097, 92330, 110796, 118710, 122220, 127943, 138495, 166194, 184660, 237420, 255886, 276990, 332388, 383829, 415485, 511772, 553980, 639715, 767658, 830970, 895601, 1151487, 1279430, 1535316, 1661940, 1791202, 1919145, 2302974, 2558860, 2686803, 3582404, 3838290, 4478005, 4605948, 5373606, 5757435, 7676580, 8060409, 8956010, 10747212, 11514870, 13434015, 16120818, 17912020, 23029740, 26868030, 32241636, 40302045, 53736060, 80604090, 161208180]

約数ペア:

[(1, 161208180), (2, 80604090), (3, 53736060), (4, 40302045), (5, 32241636), (6, 26868030), (7, 23029740), (9, 17912020), (10, 16120818), (12, 13434015), (14, 11514870), (15, 10747212), (18, 8956010), (20, 8060409), (21, 7676580), (28, 5757435), (30, 5373606), (35, 4605948), (36, 4478005), (42, 3838290), (45, 3582404), (60, 2686803), (63, 2558860), (70, 2302974), (84, 1919145), (90, 1791202), (97, 1661940), (105, 1535316), (126, 1279430), (140, 1151487), (180, 895601), (194, 830970), (210, 767658), (252, 639715), (291, 553980), (315, 511772), (388, 415485), (420, 383829), (485, 332388), (582, 276990), (630, 255886), (679, 237420), (873, 184660), (970, 166194), (1164, 138495), (1260, 127943), (1319, 122220), (1358, 118710), (1455, 110796), (1746, 92330), (1940, 83097), (2037, 79140), (2638, 61110), (2716, 59355), (2910, 55398), (3395, 47484), (3492, 46165), (3957, 40740), (4074, 39570), (4365, 36932), (5276, 30555), (5820, 27699), (6111, 26380), (6595, 24444), (6790, 23742), (7914, 20370), (8148, 19785), (8730, 18466), (9233, 17460), (10185, 15828), (11871, 13580), (12222, 13190)]