198806720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 168

約数和(自身を含む): 569854080

約数和(自身を除く): 371047360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 409, 434, 448, 490, 496, 560, 620, 784, 818, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1636, 1736, 1960, 1984, 2045, 2170, 2240, 2480, 2863, 3038, 3136, 3272, 3472, 3920, 4090, 4340, 4960, 5726, 6076, 6544, 6944, 7595, 7840, 8180, 8680, 9920, 11452, 12152, 12679, 13088, 13888, 14315, 15190, 15680, 16360, 17360, 20041, 22904, 24304, 25358, 26176, 28630, 30380, 32720, 34720, 40082, 45808, 48608, 50716, 57260, 60760, 63395, 65440, 69440, 80164, 88753, 91616, 97216, 100205, 101432, 114520, 121520, 126790, 130880, 160328, 177506, 183232, 200410, 202864, 229040, 243040, 253580, 320656, 355012, 400820, 405728, 443765, 458080, 486080, 507160, 621271, 641312, 710024, 801640, 811456, 887530, 916160, 1014320, 1242542, 1282624, 1420048, 1603280, 1775060, 2028640, 2485084, 2840096, 3106355, 3206560, 3550120, 4057280, 4970168, 5680192, 6212710, 6413120, 7100240, 9940336, 12425420, 14200480, 19880672, 24850840, 28400960, 39761344, 49701680, 99403360, 198806720]

約数ペア:

[(1, 198806720), (2, 99403360), (4, 49701680), (5, 39761344), (7, 28400960), (8, 24850840), (10, 19880672), (14, 14200480), (16, 12425420), (20, 9940336), (28, 7100240), (31, 6413120), (32, 6212710), (35, 5680192), (40, 4970168), (49, 4057280), (56, 3550120), (62, 3206560), (64, 3106355), (70, 2840096), (80, 2485084), (98, 2028640), (112, 1775060), (124, 1603280), (140, 1420048), (155, 1282624), (160, 1242542), (196, 1014320), (217, 916160), (224, 887530), (245, 811456), (248, 801640), (280, 710024), (310, 641312), (320, 621271), (392, 507160), (409, 486080), (434, 458080), (448, 443765), (490, 405728), (496, 400820), (560, 355012), (620, 320656), (784, 253580), (818, 243040), (868, 229040), (980, 202864), (992, 200410), (1085, 183232), (1120, 177506), (1240, 160328), (1519, 130880), (1568, 126790), (1636, 121520), (1736, 114520), (1960, 101432), (1984, 100205), (2045, 97216), (2170, 91616), (2240, 88753), (2480, 80164), (2863, 69440), (3038, 65440), (3136, 63395), (3272, 60760), (3472, 57260), (3920, 50716), (4090, 48608), (4340, 45808), (4960, 40082), (5726, 34720), (6076, 32720), (6544, 30380), (6944, 28630), (7595, 26176), (7840, 25358), (8180, 24304), (8680, 22904), (9920, 20041), (11452, 17360), (12152, 16360), (12679, 15680), (13088, 15190), (13888, 14315)]