80564820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 266978880

約数和(自身を除く): 186414060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 134, 140, 147, 196, 201, 210, 245, 268, 294, 335, 402, 409, 420, 469, 490, 588, 670, 735, 804, 818, 938, 980, 1005, 1227, 1340, 1407, 1470, 1636, 1876, 2010, 2045, 2345, 2454, 2814, 2863, 2940, 3283, 4020, 4090, 4690, 4908, 5628, 5726, 6135, 6566, 7035, 8180, 8589, 9380, 9849, 11452, 12270, 13132, 14070, 14315, 16415, 17178, 19698, 20041, 24540, 27403, 28140, 28630, 32830, 34356, 39396, 40082, 42945, 49245, 54806, 57260, 60123, 65660, 80164, 82209, 85890, 98490, 100205, 109612, 120246, 137015, 164418, 171780, 191821, 196980, 200410, 240492, 274030, 300615, 328836, 383642, 400820, 411045, 548060, 575463, 601230, 767284, 822090, 959105, 1150926, 1202460, 1342747, 1644180, 1918210, 2301852, 2685494, 2877315, 3836420, 4028241, 5370988, 5754630, 6713735, 8056482, 11509260, 13427470, 16112964, 20141205, 26854940, 40282410, 80564820]

約数ペア:

[(1, 80564820), (2, 40282410), (3, 26854940), (4, 20141205), (5, 16112964), (6, 13427470), (7, 11509260), (10, 8056482), (12, 6713735), (14, 5754630), (15, 5370988), (20, 4028241), (21, 3836420), (28, 2877315), (30, 2685494), (35, 2301852), (42, 1918210), (49, 1644180), (60, 1342747), (67, 1202460), (70, 1150926), (84, 959105), (98, 822090), (105, 767284), (134, 601230), (140, 575463), (147, 548060), (196, 411045), (201, 400820), (210, 383642), (245, 328836), (268, 300615), (294, 274030), (335, 240492), (402, 200410), (409, 196980), (420, 191821), (469, 171780), (490, 164418), (588, 137015), (670, 120246), (735, 109612), (804, 100205), (818, 98490), (938, 85890), (980, 82209), (1005, 80164), (1227, 65660), (1340, 60123), (1407, 57260), (1470, 54806), (1636, 49245), (1876, 42945), (2010, 40082), (2045, 39396), (2345, 34356), (2454, 32830), (2814, 28630), (2863, 28140), (2940, 27403), (3283, 24540), (4020, 20041), (4090, 19698), (4690, 17178), (4908, 16415), (5628, 14315), (5726, 14070), (6135, 13132), (6566, 12270), (7035, 11452), (8180, 9849), (8589, 9380)]