77986440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4421}}^1$

素因数の和:4452

約数の個数: 144

約数和(自身を含む): 294903180

約数和(自身を除く): 216916740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 4421, 5880, 8820, 8842, 13263, 17640, 17684, 22105, 26526, 30947, 35368, 39789, 44210, 53052, 61894, 66315, 79578, 88420, 92841, 106104, 123788, 132630, 154735, 159156, 176840, 185682, 198945, 216629, 247576, 265260, 278523, 309470, 318312, 371364, 397890, 433258, 464205, 530520, 557046, 618940, 649887, 742728, 795780, 866516, 928410, 1083145, 1114092, 1237880, 1299774, 1392615, 1591560, 1733032, 1856820, 1949661, 2166290, 2228184, 2599548, 2785230, 3249435, 3713640, 3899322, 4332580, 5199096, 5570460, 6498870, 7798644, 8665160, 9748305, 11140920, 12997740, 15597288, 19496610, 25995480, 38993220, 77986440]

約数ペア:

[(1, 77986440), (2, 38993220), (3, 25995480), (4, 19496610), (5, 15597288), (6, 12997740), (7, 11140920), (8, 9748305), (9, 8665160), (10, 7798644), (12, 6498870), (14, 5570460), (15, 5199096), (18, 4332580), (20, 3899322), (21, 3713640), (24, 3249435), (28, 2785230), (30, 2599548), (35, 2228184), (36, 2166290), (40, 1949661), (42, 1856820), (45, 1733032), (49, 1591560), (56, 1392615), (60, 1299774), (63, 1237880), (70, 1114092), (72, 1083145), (84, 928410), (90, 866516), (98, 795780), (105, 742728), (120, 649887), (126, 618940), (140, 557046), (147, 530520), (168, 464205), (180, 433258), (196, 397890), (210, 371364), (245, 318312), (252, 309470), (280, 278523), (294, 265260), (315, 247576), (360, 216629), (392, 198945), (420, 185682), (441, 176840), (490, 159156), (504, 154735), (588, 132630), (630, 123788), (735, 106104), (840, 92841), (882, 88420), (980, 79578), (1176, 66315), (1260, 61894), (1470, 53052), (1764, 44210), (1960, 39789), (2205, 35368), (2520, 30947), (2940, 26526), (3528, 22105), (4410, 17684), (4421, 17640), (5880, 13263), (8820, 8842)]