1771878780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15121}}^1$

素因数の和:15177

約数の個数: 192

約数和(自身を含む): 6503669760

約数和(自身を除く): 4731790980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1674, 1860, 1890, 1953, 2170, 2604, 2790, 3255, 3348, 3780, 3906, 4185, 4340, 5580, 5859, 6510, 7812, 8370, 9765, 11718, 13020, 15121, 16740, 19530, 23436, 29295, 30242, 39060, 45363, 58590, 60484, 75605, 90726, 105847, 117180, 136089, 151210, 181452, 211694, 226815, 272178, 302420, 317541, 408267, 423388, 453630, 468751, 529235, 544356, 635082, 680445, 816534, 907260, 937502, 952623, 1058470, 1270164, 1360890, 1406253, 1587705, 1633068, 1875004, 1905246, 2041335, 2116940, 2343755, 2721780, 2812506, 2857869, 3175410, 3281257, 3810492, 4082670, 4218759, 4687510, 4763115, 5625012, 5715738, 6350820, 6562514, 7031265, 8165340, 8437518, 9375020, 9526230, 9843771, 11431476, 12656277, 13125028, 14062530, 14289345, 16406285, 16875036, 19052460, 19687542, 21093795, 25312554, 28125060, 28578690, 29531313, 32812570, 39375084, 42187590, 49218855, 50625108, 57157380, 59062626, 63281385, 65625140, 84375180, 88593939, 98437710, 118125252, 126562770, 147656565, 177187878, 196875420, 253125540, 295313130, 354375756, 442969695, 590626260, 885939390, 1771878780]

約数ペア:

[(1, 1771878780), (2, 885939390), (3, 590626260), (4, 442969695), (5, 354375756), (6, 295313130), (7, 253125540), (9, 196875420), (10, 177187878), (12, 147656565), (14, 126562770), (15, 118125252), (18, 98437710), (20, 88593939), (21, 84375180), (27, 65625140), (28, 63281385), (30, 59062626), (31, 57157380), (35, 50625108), (36, 49218855), (42, 42187590), (45, 39375084), (54, 32812570), (60, 29531313), (62, 28578690), (63, 28125060), (70, 25312554), (84, 21093795), (90, 19687542), (93, 19052460), (105, 16875036), (108, 16406285), (124, 14289345), (126, 14062530), (135, 13125028), (140, 12656277), (155, 11431476), (180, 9843771), (186, 9526230), (189, 9375020), (210, 8437518), (217, 8165340), (252, 7031265), (270, 6562514), (279, 6350820), (310, 5715738), (315, 5625012), (372, 4763115), (378, 4687510), (420, 4218759), (434, 4082670), (465, 3810492), (540, 3281257), (558, 3175410), (620, 2857869), (630, 2812506), (651, 2721780), (756, 2343755), (837, 2116940), (868, 2041335), (930, 1905246), (945, 1875004), (1085, 1633068), (1116, 1587705), (1260, 1406253), (1302, 1360890), (1395, 1270164), (1674, 1058470), (1860, 952623), (1890, 937502), (1953, 907260), (2170, 816534), (2604, 680445), (2790, 635082), (3255, 544356), (3348, 529235), (3780, 468751), (3906, 453630), (4185, 423388), (4340, 408267), (5580, 317541), (5859, 302420), (6510, 272178), (7812, 226815), (8370, 211694), (9765, 181452), (11718, 151210), (13020, 136089), (15121, 117180), (16740, 105847), (19530, 90726), (23436, 75605), (29295, 60484), (30242, 58590), (39060, 45363)]