15407775940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{42797}}^1$

素因数の和:43236

約数の個数: 48

約数和(自身を含む): 33131814912

約数和(自身を除く): 17724038972

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 383, 470, 766, 940, 1532, 1915, 3830, 7660, 18001, 36002, 42797, 72004, 85594, 90005, 171188, 180010, 213985, 360020, 427970, 855940, 2011459, 4022918, 8045836, 10057295, 16391251, 20114590, 32782502, 40229180, 65565004, 81956255, 163912510, 327825020, 770388797, 1540777594, 3081555188, 3851943985, 7703887970, 15407775940]

約数ペア:

[(1, 15407775940), (2, 7703887970), (4, 3851943985), (5, 3081555188), (10, 1540777594), (20, 770388797), (47, 327825020), (94, 163912510), (188, 81956255), (235, 65565004), (383, 40229180), (470, 32782502), (766, 20114590), (940, 16391251), (1532, 10057295), (1915, 8045836), (3830, 4022918), (7660, 2011459), (18001, 855940), (36002, 427970), (42797, 360020), (72004, 213985), (85594, 180010), (90005, 171188)]