18810180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3371}}^1$

素因数の和:3417

約数の個数: 72

約数和(自身を含む): 58915584

約数和(自身を除く): 40105404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3371, 5580, 6742, 10113, 13484, 16855, 20226, 30339, 33710, 40452, 50565, 60678, 67420, 101130, 104501, 121356, 151695, 202260, 209002, 303390, 313503, 418004, 522505, 606780, 627006, 940509, 1045010, 1254012, 1567515, 1881018, 2090020, 3135030, 3762036, 4702545, 6270060, 9405090, 18810180]

約数ペア:

[(1, 18810180), (2, 9405090), (3, 6270060), (4, 4702545), (5, 3762036), (6, 3135030), (9, 2090020), (10, 1881018), (12, 1567515), (15, 1254012), (18, 1045010), (20, 940509), (30, 627006), (31, 606780), (36, 522505), (45, 418004), (60, 313503), (62, 303390), (90, 209002), (93, 202260), (124, 151695), (155, 121356), (180, 104501), (186, 101130), (279, 67420), (310, 60678), (372, 50565), (465, 40452), (558, 33710), (620, 30339), (930, 20226), (1116, 16855), (1395, 13484), (1860, 10113), (2790, 6742), (3371, 5580)]