15678928280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{118171}}^1$

素因数の和:118320

約数の個数: 64

約数和(自身を含む): 36756218880

約数和(自身を除く): 21077290600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 620, 856, 1070, 1240, 2140, 3317, 4280, 6634, 13268, 16585, 26536, 33170, 66340, 118171, 132680, 236342, 472684, 590855, 945368, 1181710, 2363420, 3663301, 4726840, 7326602, 12644297, 14653204, 18316505, 25288594, 29306408, 36633010, 50577188, 63221485, 73266020, 101154376, 126442970, 146532040, 252885940, 391973207, 505771880, 783946414, 1567892828, 1959866035, 3135785656, 3919732070, 7839464140, 15678928280]

約数ペア:

[(1, 15678928280), (2, 7839464140), (4, 3919732070), (5, 3135785656), (8, 1959866035), (10, 1567892828), (20, 783946414), (31, 505771880), (40, 391973207), (62, 252885940), (107, 146532040), (124, 126442970), (155, 101154376), (214, 73266020), (248, 63221485), (310, 50577188), (428, 36633010), (535, 29306408), (620, 25288594), (856, 18316505), (1070, 14653204), (1240, 12644297), (2140, 7326602), (3317, 4726840), (4280, 3663301), (6634, 2363420), (13268, 1181710), (16585, 945368), (26536, 590855), (33170, 472684), (66340, 236342), (118171, 132680)]