72118260

素因数分解:

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

素因数の和:400672

約数の個数: 36

約数和(自身を含む): 218759268

約数和(自身を除く): 146641008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400657, 801314, 1201971, 1602628, 2003285, 2403942, 3605913, 4006570, 4807884, 6009855, 7211826, 8013140, 12019710, 14423652, 18029565, 24039420, 36059130, 72118260]

約数ペア:

[(1, 72118260), (2, 36059130), (3, 24039420), (4, 18029565), (5, 14423652), (6, 12019710), (9, 8013140), (10, 7211826), (12, 6009855), (15, 4807884), (18, 4006570), (20, 3605913), (30, 2403942), (36, 2003285), (45, 1602628), (60, 1201971), (90, 801314), (180, 400657)]