80055720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 280350720

約数和(自身を除く): 200295000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 103, 120, 127, 136, 153, 170, 180, 204, 206, 254, 255, 306, 309, 340, 360, 381, 408, 412, 508, 510, 515, 612, 618, 635, 680, 762, 765, 824, 927, 1016, 1020, 1030, 1143, 1224, 1236, 1270, 1524, 1530, 1545, 1751, 1854, 1905, 2040, 2060, 2159, 2286, 2472, 2540, 3048, 3060, 3090, 3502, 3708, 3810, 4120, 4318, 4572, 4635, 5080, 5253, 5715, 6120, 6180, 6477, 7004, 7416, 7620, 8636, 8755, 9144, 9270, 10506, 10795, 11430, 12360, 12954, 13081, 14008, 15240, 15759, 17272, 17510, 18540, 19431, 21012, 21590, 22860, 25908, 26162, 26265, 31518, 32385, 35020, 37080, 38862, 39243, 42024, 43180, 45720, 51816, 52324, 52530, 63036, 64770, 65405, 70040, 77724, 78486, 78795, 86360, 97155, 104648, 105060, 117729, 126072, 129540, 130810, 155448, 156972, 157590, 194310, 196215, 210120, 222377, 235458, 259080, 261620, 313944, 315180, 388620, 392430, 444754, 470916, 523240, 588645, 630360, 667131, 777240, 784860, 889508, 941832, 1111885, 1177290, 1334262, 1569720, 1779016, 2001393, 2223770, 2354580, 2668524, 3335655, 4002786, 4447540, 4709160, 5337048, 6671310, 8005572, 8895080, 10006965, 13342620, 16011144, 20013930, 26685240, 40027860, 80055720]

約数ペア:

[(1, 80055720), (2, 40027860), (3, 26685240), (4, 20013930), (5, 16011144), (6, 13342620), (8, 10006965), (9, 8895080), (10, 8005572), (12, 6671310), (15, 5337048), (17, 4709160), (18, 4447540), (20, 4002786), (24, 3335655), (30, 2668524), (34, 2354580), (36, 2223770), (40, 2001393), (45, 1779016), (51, 1569720), (60, 1334262), (68, 1177290), (72, 1111885), (85, 941832), (90, 889508), (102, 784860), (103, 777240), (120, 667131), (127, 630360), (136, 588645), (153, 523240), (170, 470916), (180, 444754), (204, 392430), (206, 388620), (254, 315180), (255, 313944), (306, 261620), (309, 259080), (340, 235458), (360, 222377), (381, 210120), (408, 196215), (412, 194310), (508, 157590), (510, 156972), (515, 155448), (612, 130810), (618, 129540), (635, 126072), (680, 117729), (762, 105060), (765, 104648), (824, 97155), (927, 86360), (1016, 78795), (1020, 78486), (1030, 77724), (1143, 70040), (1224, 65405), (1236, 64770), (1270, 63036), (1524, 52530), (1530, 52324), (1545, 51816), (1751, 45720), (1854, 43180), (1905, 42024), (2040, 39243), (2060, 38862), (2159, 37080), (2286, 35020), (2472, 32385), (2540, 31518), (3048, 26265), (3060, 26162), (3090, 25908), (3502, 22860), (3708, 21590), (3810, 21012), (4120, 19431), (4318, 18540), (4572, 17510), (4635, 17272), (5080, 15759), (5253, 15240), (5715, 14008), (6120, 13081), (6180, 12954), (6477, 12360), (7004, 11430), (7416, 10795), (7620, 10506), (8636, 9270), (8755, 9144)]