78722820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 192

約数和(自身を含む): 276998400

約数和(自身を除く): 198275580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 29, 30, 33, 36, 44, 45, 54, 55, 58, 60, 66, 87, 90, 99, 108, 110, 116, 132, 135, 145, 165, 174, 180, 198, 220, 261, 270, 290, 297, 319, 330, 348, 396, 435, 457, 495, 522, 540, 580, 594, 638, 660, 783, 870, 914, 957, 990, 1044, 1188, 1276, 1305, 1371, 1485, 1566, 1595, 1740, 1828, 1914, 1980, 2285, 2610, 2742, 2871, 2970, 3132, 3190, 3828, 3915, 4113, 4570, 4785, 5027, 5220, 5484, 5742, 5940, 6380, 6855, 7830, 8226, 8613, 9140, 9570, 10054, 11484, 12339, 13253, 13710, 14355, 15081, 15660, 16452, 17226, 19140, 20108, 20565, 24678, 25135, 26506, 27420, 28710, 30162, 34452, 39759, 41130, 43065, 45243, 49356, 50270, 53012, 57420, 60324, 61695, 66265, 75405, 79518, 82260, 86130, 90486, 100540, 119277, 123390, 132530, 135729, 145783, 150810, 159036, 172260, 180972, 198795, 226215, 238554, 246780, 265060, 271458, 291566, 301620, 357831, 397590, 437349, 452430, 477108, 542916, 583132, 596385, 678645, 715662, 728915, 795180, 874698, 904860, 1192770, 1312047, 1357290, 1431324, 1457830, 1749396, 1789155, 2186745, 2385540, 2624094, 2714580, 2915660, 3578310, 3936141, 4373490, 5248188, 6560235, 7156620, 7872282, 8746980, 13120470, 15744564, 19680705, 26240940, 39361410, 78722820]

約数ペア:

[(1, 78722820), (2, 39361410), (3, 26240940), (4, 19680705), (5, 15744564), (6, 13120470), (9, 8746980), (10, 7872282), (11, 7156620), (12, 6560235), (15, 5248188), (18, 4373490), (20, 3936141), (22, 3578310), (27, 2915660), (29, 2714580), (30, 2624094), (33, 2385540), (36, 2186745), (44, 1789155), (45, 1749396), (54, 1457830), (55, 1431324), (58, 1357290), (60, 1312047), (66, 1192770), (87, 904860), (90, 874698), (99, 795180), (108, 728915), (110, 715662), (116, 678645), (132, 596385), (135, 583132), (145, 542916), (165, 477108), (174, 452430), (180, 437349), (198, 397590), (220, 357831), (261, 301620), (270, 291566), (290, 271458), (297, 265060), (319, 246780), (330, 238554), (348, 226215), (396, 198795), (435, 180972), (457, 172260), (495, 159036), (522, 150810), (540, 145783), (580, 135729), (594, 132530), (638, 123390), (660, 119277), (783, 100540), (870, 90486), (914, 86130), (957, 82260), (990, 79518), (1044, 75405), (1188, 66265), (1276, 61695), (1305, 60324), (1371, 57420), (1485, 53012), (1566, 50270), (1595, 49356), (1740, 45243), (1828, 43065), (1914, 41130), (1980, 39759), (2285, 34452), (2610, 30162), (2742, 28710), (2871, 27420), (2970, 26506), (3132, 25135), (3190, 24678), (3828, 20565), (3915, 20108), (4113, 19140), (4570, 17226), (4785, 16452), (5027, 15660), (5220, 15081), (5484, 14355), (5742, 13710), (5940, 13253), (6380, 12339), (6855, 11484), (7830, 10054), (8226, 9570), (8613, 9140)]