279937560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9007}}^1$

素因数の和:9065

約数の個数: 128

約数和(自身を含む): 985835520

約数和(自身を除く): 705897960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 9007, 10360, 15540, 18014, 27021, 31080, 36028, 45035, 54042, 63049, 72056, 90070, 108084, 126098, 135105, 180140, 189147, 216168, 252196, 270210, 315245, 333259, 360280, 378294, 504392, 540420, 630490, 666518, 756588, 945735, 999777, 1080840, 1260980, 1333036, 1513176, 1666295, 1891470, 1999554, 2332813, 2521960, 2666072, 3332590, 3782940, 3999108, 4665626, 4998885, 6665180, 6998439, 7565880, 7998216, 9331252, 9997770, 11664065, 13330360, 13996878, 18662504, 19995540, 23328130, 27993756, 34992195, 39991080, 46656260, 55987512, 69984390, 93312520, 139968780, 279937560]

約数ペア:

[(1, 279937560), (2, 139968780), (3, 93312520), (4, 69984390), (5, 55987512), (6, 46656260), (7, 39991080), (8, 34992195), (10, 27993756), (12, 23328130), (14, 19995540), (15, 18662504), (20, 13996878), (21, 13330360), (24, 11664065), (28, 9997770), (30, 9331252), (35, 7998216), (37, 7565880), (40, 6998439), (42, 6665180), (56, 4998885), (60, 4665626), (70, 3999108), (74, 3782940), (84, 3332590), (105, 2666072), (111, 2521960), (120, 2332813), (140, 1999554), (148, 1891470), (168, 1666295), (185, 1513176), (210, 1333036), (222, 1260980), (259, 1080840), (280, 999777), (296, 945735), (370, 756588), (420, 666518), (444, 630490), (518, 540420), (555, 504392), (740, 378294), (777, 360280), (840, 333259), (888, 315245), (1036, 270210), (1110, 252196), (1295, 216168), (1480, 189147), (1554, 180140), (2072, 135105), (2220, 126098), (2590, 108084), (3108, 90070), (3885, 72056), (4440, 63049), (5180, 54042), (6216, 45035), (7770, 36028), (9007, 31080), (10360, 27021), (15540, 18014)]