640302019728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{2213}}^1\times {\mathrm{861121}}^1$

素因数の和:863352

約数の個数: 80

約数和(自身を含む): 1891271915136

約数和(自身を除く): 1250969895408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 2213, 4426, 6639, 8852, 13278, 15491, 17704, 26556, 30982, 35408, 46473, 53112, 61964, 92946, 106224, 123928, 185892, 247856, 371784, 743568, 861121, 1722242, 2583363, 3444484, 5166726, 6027847, 6888968, 10333452, 12055694, 13777936, 18083541, 20666904, 24111388, 36167082, 41333808, 48222776, 72334164, 96445552, 144668328, 289336656, 1905660773, 3811321546, 5716982319, 7622643092, 11433964638, 13339625411, 15245286184, 22867929276, 26679250822, 30490572368, 40018876233, 45735858552, 53358501644, 80037752466, 91471717104, 106717003288, 160075504932, 213434006576, 320151009864, 640302019728]

約数ペア:

[(1, 640302019728), (2, 320151009864), (3, 213434006576), (4, 160075504932), (6, 106717003288), (7, 91471717104), (8, 80037752466), (12, 53358501644), (14, 45735858552), (16, 40018876233), (21, 30490572368), (24, 26679250822), (28, 22867929276), (42, 15245286184), (48, 13339625411), (56, 11433964638), (84, 7622643092), (112, 5716982319), (168, 3811321546), (336, 1905660773), (2213, 289336656), (4426, 144668328), (6639, 96445552), (8852, 72334164), (13278, 48222776), (15491, 41333808), (17704, 36167082), (26556, 24111388), (30982, 20666904), (35408, 18083541), (46473, 13777936), (53112, 12055694), (61964, 10333452), (92946, 6888968), (106224, 6027847), (123928, 5166726), (185892, 3444484), (247856, 2583363), (371784, 1722242), (743568, 861121)]