20161937180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:481

約数の個数: 288

約数和(自身を含む): 55212917760

約数和(自身を除く): 35050980580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 89, 110, 121, 140, 154, 172, 178, 215, 220, 242, 301, 308, 311, 356, 385, 430, 445, 473, 484, 602, 605, 622, 623, 770, 847, 860, 890, 946, 979, 1204, 1210, 1244, 1246, 1505, 1540, 1555, 1694, 1780, 1892, 1958, 2177, 2365, 2420, 2492, 3010, 3110, 3115, 3311, 3388, 3421, 3827, 3916, 4235, 4354, 4730, 4895, 5203, 6020, 6220, 6230, 6622, 6842, 6853, 7654, 8470, 8708, 9460, 9790, 10406, 10769, 10885, 12460, 13244, 13373, 13684, 13706, 15308, 16555, 16940, 17105, 19135, 19580, 20812, 21538, 21770, 23947, 26015, 26746, 26789, 27412, 27679, 33110, 34210, 34265, 36421, 37631, 38270, 42097, 43076, 43540, 47894, 52030, 53492, 53578, 53845, 55358, 66220, 66865, 68420, 68530, 72842, 75262, 75383, 76540, 84194, 93611, 95788, 104060, 107156, 107690, 110716, 119735, 133730, 133945, 137060, 138395, 145684, 147103, 150524, 150766, 168388, 182105, 187222, 188155, 193753, 210485, 215380, 239470, 263417, 267460, 267890, 276790, 294206, 294679, 301532, 304469, 364210, 374444, 376310, 376915, 387506, 420970, 463067, 468055, 478940, 526834, 535780, 553580, 588412, 589358, 608938, 728420, 735515, 752620, 753830, 775012, 841940, 926134, 936110, 968765, 1029721, 1053668, 1178716, 1190197, 1217876, 1317085, 1471030, 1473395, 1507660, 1522345, 1618133, 1852268, 1872220, 1937530, 2059442, 2131283, 2315335, 2380394, 2634170, 2942060, 2946790, 3044690, 3236266, 3241469, 3349159, 3875060, 4118884, 4262566, 4630670, 4760788, 5148605, 5268340, 5893580, 5950985, 6089380, 6472532, 6482938, 6698318, 8090665, 8331379, 8525132, 9261340, 10297210, 10656415, 11326931, 11901970, 12965876, 13092167, 13396636, 16181330, 16207345, 16662758, 16745795, 20594420, 21312830, 22653862, 23444113, 23803940, 26184334, 32362660, 32414690, 33325516, 33491590, 41656895, 42625660, 45307724, 46888226, 52368668, 56634655, 64829380, 65460835, 66983180, 83313790, 91645169, 93776452, 113269310, 117220565, 130921670, 144013837, 166627580, 183290338, 226538620, 234441130, 261843340, 288027674, 366580676, 458225845, 468882260, 576055348, 720069185, 916451690, 1008096859, 1440138370, 1832903380, 2016193718, 2880276740, 4032387436, 5040484295, 10080968590, 20161937180]

約数ペア:

[(1, 20161937180), (2, 10080968590), (4, 5040484295), (5, 4032387436), (7, 2880276740), (10, 2016193718), (11, 1832903380), (14, 1440138370), (20, 1008096859), (22, 916451690), (28, 720069185), (35, 576055348), (43, 468882260), (44, 458225845), (55, 366580676), (70, 288027674), (77, 261843340), (86, 234441130), (89, 226538620), (110, 183290338), (121, 166627580), (140, 144013837), (154, 130921670), (172, 117220565), (178, 113269310), (215, 93776452), (220, 91645169), (242, 83313790), (301, 66983180), (308, 65460835), (311, 64829380), (356, 56634655), (385, 52368668), (430, 46888226), (445, 45307724), (473, 42625660), (484, 41656895), (602, 33491590), (605, 33325516), (622, 32414690), (623, 32362660), (770, 26184334), (847, 23803940), (860, 23444113), (890, 22653862), (946, 21312830), (979, 20594420), (1204, 16745795), (1210, 16662758), (1244, 16207345), (1246, 16181330), (1505, 13396636), (1540, 13092167), (1555, 12965876), (1694, 11901970), (1780, 11326931), (1892, 10656415), (1958, 10297210), (2177, 9261340), (2365, 8525132), (2420, 8331379), (2492, 8090665), (3010, 6698318), (3110, 6482938), (3115, 6472532), (3311, 6089380), (3388, 5950985), (3421, 5893580), (3827, 5268340), (3916, 5148605), (4235, 4760788), (4354, 4630670), (4730, 4262566), (4895, 4118884), (5203, 3875060), (6020, 3349159), (6220, 3241469), (6230, 3236266), (6622, 3044690), (6842, 2946790), (6853, 2942060), (7654, 2634170), (8470, 2380394), (8708, 2315335), (9460, 2131283), (9790, 2059442), (10406, 1937530), (10769, 1872220), (10885, 1852268), (12460, 1618133), (13244, 1522345), (13373, 1507660), (13684, 1473395), (13706, 1471030), (15308, 1317085), (16555, 1217876), (16940, 1190197), (17105, 1178716), (19135, 1053668), (19580, 1029721), (20812, 968765), (21538, 936110), (21770, 926134), (23947, 841940), (26015, 775012), (26746, 753830), (26789, 752620), (27412, 735515), (27679, 728420), (33110, 608938), (34210, 589358), (34265, 588412), (36421, 553580), (37631, 535780), (38270, 526834), (42097, 478940), (43076, 468055), (43540, 463067), (47894, 420970), (52030, 387506), (53492, 376915), (53578, 376310), (53845, 374444), (55358, 364210), (66220, 304469), (66865, 301532), (68420, 294679), (68530, 294206), (72842, 276790), (75262, 267890), (75383, 267460), (76540, 263417), (84194, 239470), (93611, 215380), (95788, 210485), (104060, 193753), (107156, 188155), (107690, 187222), (110716, 182105), (119735, 168388), (133730, 150766), (133945, 150524), (137060, 147103), (138395, 145684)]