171928620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 541500960

約数和(自身を除く): 369572340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 97, 129, 172, 180, 194, 215, 229, 258, 291, 387, 388, 430, 458, 485, 516, 582, 645, 687, 774, 860, 873, 916, 970, 1145, 1164, 1290, 1374, 1455, 1548, 1746, 1935, 1940, 2061, 2290, 2580, 2748, 2910, 3435, 3492, 3870, 4122, 4171, 4365, 4580, 5820, 6870, 7740, 8244, 8342, 8730, 9847, 10305, 12513, 13740, 16684, 17460, 19694, 20610, 20855, 22213, 25026, 29541, 37539, 39388, 41220, 41710, 44426, 49235, 50052, 59082, 62565, 66639, 75078, 83420, 88623, 88852, 98470, 111065, 118164, 125130, 133278, 147705, 150156, 177246, 187695, 196940, 199917, 222130, 250260, 266556, 295410, 333195, 354492, 375390, 399834, 443115, 444260, 590820, 666390, 750780, 799668, 886230, 955159, 999585, 1332780, 1772460, 1910318, 1999170, 2865477, 3820636, 3998340, 4775795, 5730954, 8596431, 9551590, 11461908, 14327385, 17192862, 19103180, 28654770, 34385724, 42982155, 57309540, 85964310, 171928620]

約数ペア:

[(1, 171928620), (2, 85964310), (3, 57309540), (4, 42982155), (5, 34385724), (6, 28654770), (9, 19103180), (10, 17192862), (12, 14327385), (15, 11461908), (18, 9551590), (20, 8596431), (30, 5730954), (36, 4775795), (43, 3998340), (45, 3820636), (60, 2865477), (86, 1999170), (90, 1910318), (97, 1772460), (129, 1332780), (172, 999585), (180, 955159), (194, 886230), (215, 799668), (229, 750780), (258, 666390), (291, 590820), (387, 444260), (388, 443115), (430, 399834), (458, 375390), (485, 354492), (516, 333195), (582, 295410), (645, 266556), (687, 250260), (774, 222130), (860, 199917), (873, 196940), (916, 187695), (970, 177246), (1145, 150156), (1164, 147705), (1290, 133278), (1374, 125130), (1455, 118164), (1548, 111065), (1746, 98470), (1935, 88852), (1940, 88623), (2061, 83420), (2290, 75078), (2580, 66639), (2748, 62565), (2910, 59082), (3435, 50052), (3492, 49235), (3870, 44426), (4122, 41710), (4171, 41220), (4365, 39388), (4580, 37539), (5820, 29541), (6870, 25026), (7740, 22213), (8244, 20855), (8342, 20610), (8730, 19694), (9847, 17460), (10305, 16684), (12513, 13740)]