71190540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{967}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 216696480

約数和(自身を除く): 145505940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 967, 1227, 1636, 1934, 2045, 2454, 2901, 3681, 3868, 4090, 4835, 4908, 5802, 6135, 7362, 8180, 8703, 9670, 11604, 12270, 14505, 14724, 17406, 18405, 19340, 24540, 29010, 34812, 36810, 43515, 58020, 73620, 87030, 174060, 395503, 791006, 1186509, 1582012, 1977515, 2373018, 3559527, 3955030, 4746036, 5932545, 7119054, 7910060, 11865090, 14238108, 17797635, 23730180, 35595270, 71190540]

約数ペア:

[(1, 71190540), (2, 35595270), (3, 23730180), (4, 17797635), (5, 14238108), (6, 11865090), (9, 7910060), (10, 7119054), (12, 5932545), (15, 4746036), (18, 3955030), (20, 3559527), (30, 2373018), (36, 1977515), (45, 1582012), (60, 1186509), (90, 791006), (180, 395503), (409, 174060), (818, 87030), (967, 73620), (1227, 58020), (1636, 43515), (1934, 36810), (2045, 34812), (2454, 29010), (2901, 24540), (3681, 19340), (3868, 18405), (4090, 17406), (4835, 14724), (4908, 14505), (5802, 12270), (6135, 11604), (7362, 9670), (8180, 8703)]