216354780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{400657}}^1$

素因数の和:400675

約数の個数: 48

約数和(自身を含む): 673105440

約数和(自身を除く): 456750660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 400657, 801314, 1201971, 1602628, 2003285, 2403942, 3605913, 4006570, 4807884, 6009855, 7211826, 8013140, 10817739, 12019710, 14423652, 18029565, 21635478, 24039420, 36059130, 43270956, 54088695, 72118260, 108177390, 216354780]

約数ペア:

[(1, 216354780), (2, 108177390), (3, 72118260), (4, 54088695), (5, 43270956), (6, 36059130), (9, 24039420), (10, 21635478), (12, 18029565), (15, 14423652), (18, 12019710), (20, 10817739), (27, 8013140), (30, 7211826), (36, 6009855), (45, 4807884), (54, 4006570), (60, 3605913), (90, 2403942), (108, 2003285), (135, 1602628), (180, 1201971), (270, 801314), (540, 400657)]